72095553 has 12 divisors (see below), whose sum is σ = 107497728. Its totient is φ = 46513080.

The previous prime is 72095503. The next prime is 72095579. The reversal of 72095553 is 35559027.

It is not a de Polignac number, because 72095553 - 2⁸ = 72095297 is a prime.

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 not an unprimeable number, because it can be changed into a prime (72095503) 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, 128925 + ... + 129482.

It is an arithmetic number, because the mean of its divisors is an integer number (8958144).

Almost surely, 2^72095553 is an apocalyptic number.

It is an amenable number.

72095553 is a deficient number, since it is larger than the sum of its proper divisors (35402175).

72095553 is a wasteful number, since it uses less digits than its factorization.

72095553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258444 (or 258441 counting only the distinct ones).

The product of its (nonzero) digits is 47250, while the sum is 36.

The square root of 72095553 is about 8490.9100218999. The cubic root of 72095553 is about 416.2007186739.

The spelling of 72095553 in words is "seventy-two million, ninety-five thousand, five hundred fifty-three".