72264652 has 24 divisors (see below), whose sum is σ = 130691232. Its totient is φ = 34944000.

The previous prime is 72264649. The next prime is 72264653. The reversal of 72264652 is 25646227.

It is a super-2 number, since 2×72264652² = 10444359857362208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (72264653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12652 + ... + 17452.

It is an arithmetic number, because the mean of its divisors is an integer number (5445468).

Almost surely, 2^72264652 is an apocalyptic number.

It is an amenable number.

72264652 is a deficient number, since it is larger than the sum of its proper divisors (58426580).

72264652 is a wasteful number, since it uses less digits than its factorization.

72264652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4929 (or 4927 counting only the distinct ones).

The product of its digits is 40320, while the sum is 34.

The square root of 72264652 is about 8500.8618386608. The cubic root of 72264652 is about 416.5258620409.

The spelling of 72264652 in words is "seventy-two million, two hundred sixty-four thousand, six hundred fifty-two".