3734402672 has 320 divisors, whose sum is σ = 10247344128. Its totient is φ = 1282406400.

The previous prime is 3734402669. The next prime is 3734402681. The reversal of 3734402672 is 2762044373.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 79455353 + ... + 79455399.

Almost surely, 2^3734402672 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3734402672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5123672064).

3734402672 is an abundant number, since it is smaller than the sum of its proper divisors (6512941456).

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

3734402672 is a wasteful number, since it uses less digits than its factorization.

3734402672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149 (or 121 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 38.

The square root of 3734402672 is about 61109.7592206024. The cubic root of 3734402672 is about 1551.4592808484.

The spelling of 3734402672 in words is "three billion, seven hundred thirty-four million, four hundred two thousand, six hundred seventy-two".