72569274 has 16 divisors (see below), whose sum is σ = 145615008. Its totient is φ = 24110352.

The previous prime is 72569239. The next prime is 72569293. The reversal of 72569274 is 47296527.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 17857 + ... + 21540.

It is an arithmetic number, because the mean of its divisors is an integer number (9100938).

Almost surely, 2^72569274 is an apocalyptic number.

72569274 is an abundant number, since it is smaller than the sum of its proper divisors (73045734).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72569274 is a wasteful number, since it uses less digits than its factorization.

72569274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39709.

The product of its digits is 211680, while the sum is 42.

The square root of 72569274 is about 8518.7601210505. The cubic root of 72569274 is about 417.1103113207.

The spelling of 72569274 in words is "seventy-two million, five hundred sixty-nine thousand, two hundred seventy-four".