72568910 has 16 divisors (see below), whose sum is σ = 136303776. Its totient is φ = 27765408.

The previous prime is 72568889. The next prime is 72568919. The reversal of 72568910 is 1986527.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72568919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157529 + ... + 157988.

It is an arithmetic number, because the mean of its divisors is an integer number (8518986).

Almost surely, 2^72568910 is an apocalyptic number.

72568910 is a deficient number, since it is larger than the sum of its proper divisors (63734866).

72568910 is a wasteful number, since it uses less digits than its factorization.

72568910 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315547.

The product of its (nonzero) digits is 30240, while the sum is 38.

The square root of 72568910 is about 8518.7387564122. The cubic root of 72568910 is about 417.1096139255.

The spelling of 72568910 in words is "seventy-two million, five hundred sixty-eight thousand, nine hundred ten".