72025616 has 20 divisors (see below), whose sum is σ = 150284652. Its totient is φ = 33242496.

The previous prime is 72025601. The next prime is 72025621. The reversal of 72025616 is 61652027.

It can be written as a sum of positive squares in 2 ways, for example, as 30294016 + 41731600 = 5504^2 + 6460^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 172931 + ... + 173346.

Almost surely, 2^72025616 is an apocalyptic number.

It is an amenable number.

72025616 is an abundant number, since it is smaller than the sum of its proper divisors (78259036).

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

72025616 is a wasteful number, since it uses less digits than its factorization.

72025616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346298 (or 346292 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 72025616 is about 8486.7906772820. The cubic root of 72025616 is about 416.0660952673.

The spelling of 72025616 in words is "seventy-two million, twenty-five thousand, six hundred sixteen".