3646734750 has 128 divisors (see below), whose sum is σ = 10361070720. Its totient is φ = 948672000.

The previous prime is 3646734737. The next prime is 3646734761. The reversal of 3646734750 is 574376463.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 3646734696 and 3646734705.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 270162 + ... + 283338.

It is an arithmetic number, because the mean of its divisors is an integer number (80945865).

Almost surely, 2^3646734750 is an apocalyptic number.

3646734750 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3646734750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5180535360).

3646734750 is an abundant number, since it is smaller than the sum of its proper divisors (6714335970).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3646734750 is a wasteful number, since it uses less digits than its factorization.

3646734750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13244 (or 13228 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 45.

The square root of 3646734750 is about 60388.2004202808. The cubic root of 3646734750 is about 1539.2224598531. Note that the first 3 decimals are identical.

It can be divided in two parts, 36467 and 34750, that added together give a palindrome (71217).

The spelling of 3646734750 in words is "three billion, six hundred forty-six million, seven hundred thirty-four thousand, seven hundred fifty".