616734072 has 48 divisors (see below), whose sum is σ = 1758237000. Its totient is φ = 194757696.

The previous prime is 616734071. The next prime is 616734077. The reversal of 616734072 is 270437616.

616734072 is a `hidden beast` number, since 616 + 7 + 34 + 0 + 7 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616734071) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 224047 + ... + 226782.

Almost surely, 2^616734072 is an apocalyptic number.

It is an amenable number.

616734072 is an abundant number, since it is smaller than the sum of its proper divisors (1141502928).

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

616734072 is a wasteful number, since it uses less digits than its factorization.

616734072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450860 (or 450853 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The square root of 616734072 is about 24834.1311907624. The cubic root of 616734072 is about 851.2020234691.

The spelling of 616734072 in words is "six hundred sixteen million, seven hundred thirty-four thousand, seventy-two".