72562653 has 12 divisors (see below), whose sum is σ = 110329440. Its totient is φ = 45828936.

The previous prime is 72562627. The next prime is 72562663. The reversal of 72562653 is 35626527.

It is a happy number.

72562653 is a `hidden beast` number, since 7 + 25 + 626 + 5 + 3 = 666.

It is not a de Polignac number, because 72562653 - 2⁵ = 72562621 is a prime.

It is a super-2 number, since 2×72562653² = 10530677220796818, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72562663) 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, 212001 + ... + 212342.

It is an arithmetic number, because the mean of its divisors is an integer number (9194120).

Almost surely, 2^72562653 is an apocalyptic number.

It is an amenable number.

72562653 is a deficient number, since it is larger than the sum of its proper divisors (37766787).

72562653 is a wasteful number, since it uses less digits than its factorization.

72562653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424368 (or 424365 counting only the distinct ones).

The product of its digits is 75600, while the sum is 36.

The square root of 72562653 is about 8518.3714992949. The cubic root of 72562653 is about 417.0976256426.

The spelling of 72562653 in words is "seventy-two million, five hundred sixty-two thousand, six hundred fifty-three".