72202565 has 16 divisors (see below), whose sum is σ = 94149120. Its totient is φ = 52954560.

The previous prime is 72202561. The next prime is 72202567. The reversal of 72202565 is 56520227.

It is not a de Polignac number, because 72202565 - 2² = 72202561 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72202561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9314 + ... + 15203.

It is an arithmetic number, because the mean of its divisors is an integer number (5884320).

Almost surely, 2^72202565 is an apocalyptic number.

It is an amenable number.

72202565 is a deficient number, since it is larger than the sum of its proper divisors (21946555).

72202565 is a wasteful number, since it uses less digits than its factorization.

72202565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24572.

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 72202565 is about 8497.2092477472. The cubic root of 72202565 is about 416.4065402137.

The spelling of 72202565 in words is "seventy-two million, two hundred two thousand, five hundred sixty-five".