3707121546 has 64 divisors (see below), whose sum is σ = 8523939840. Its totient is φ = 1193013360.

The previous prime is 3707121529. The next prime is 3707121557. The reversal of 3707121546 is 6451217073.

It is a happy number.

3707121546 is a `hidden beast` number, since 370 + 71 + 215 + 4 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 3707121546.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 772671 + ... + 777453.

It is an arithmetic number, because the mean of its divisors is an integer number (133186560).

Almost surely, 2^3707121546 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3707121546, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4261969920).

3707121546 is an abundant number, since it is smaller than the sum of its proper divisors (4816818294).

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

3707121546 is a wasteful number, since it uses less digits than its factorization.

3707121546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5288 (or 5282 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 3707121546 is about 60886.1359095813. The cubic root of 3707121546 is about 1547.6720581073.

The spelling of 3707121546 in words is "three billion, seven hundred seven million, one hundred twenty-one thousand, five hundred forty-six".