72795261 has 32 divisors (see below), whose sum is σ = 122572800. Its totient is φ = 37327680.

The previous prime is 72795227. The next prime is 72795263. The reversal of 72795261 is 16259727.

It is not a de Polignac number, because 72795261 - 2⁶ = 72795197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72795263) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16255 + ... + 20243.

It is an arithmetic number, because the mean of its divisors is an integer number (3830400).

Almost surely, 2^72795261 is an apocalyptic number.

It is an amenable number.

72795261 is a deficient number, since it is larger than the sum of its proper divisors (49777539).

72795261 is a wasteful number, since it uses less digits than its factorization.

72795261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4089.

The product of its digits is 52920, while the sum is 39.

The square root of 72795261 is about 8532.0138888776. The cubic root of 72795261 is about 417.5428351953.

The spelling of 72795261 in words is "seventy-two million, seven hundred ninety-five thousand, two hundred sixty-one".