3673649700 has 504 divisors, whose sum is σ = 14299168128. Its totient is φ = 800616960.

The previous prime is 3673649647. The next prime is 3673649701. The reversal of 3673649700 is 79463763.

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

It is not an unprimeable number, because it can be changed into a prime (3673649701) by changing a digit.

It is a polite number, since it can be written in 167 ways as a sum of consecutive naturals, for example, 11736744 + ... + 11737056.

Almost surely, 2^3673649700 is an apocalyptic number.

3673649700 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3673649700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7149584064).

3673649700 is an abundant number, since it is smaller than the sum of its proper divisors (10625518428).

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

3673649700 is a wasteful number, since it uses less digits than its factorization.

3673649700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375 (or 353 counting only the distinct ones).

The product of its (nonzero) digits is 571536, while the sum is 45.

The square root of 3673649700 is about 60610.6401550091. The cubic root of 3673649700 is about 1542.9999570181. Note that the first 4 decimals are identical.

It can be divided in two parts, 36736 and 49700, that added together give a square (86436 = 294²).

The spelling of 3673649700 in words is "three billion, six hundred seventy-three million, six hundred forty-nine thousand, seven hundred".