72569995 has 4 divisors (see below), whose sum is σ = 87084000. Its totient is φ = 58055992.

The previous prime is 72569983. The next prime is 72569999. The reversal of 72569995 is 59996527.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 72569995 - 2²⁵ = 39015563 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72569999) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7256995 + ... + 7257004.

It is an arithmetic number, because the mean of its divisors is an integer number (21771000).

Almost surely, 2^72569995 is an apocalyptic number.

72569995 is a deficient number, since it is larger than the sum of its proper divisors (14514005).

72569995 is a wasteful number, since it uses less digits than its factorization.

72569995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14514004.

The product of its digits is 1530900, while the sum is 52.

The square root of 72569995 is about 8518.8024393104. The cubic root of 72569995 is about 417.1116926930. Note that the first 3 decimals are identical.

The spelling of 72569995 in words is "seventy-two million, five hundred sixty-nine thousand, nine hundred ninety-five".