72569072 has 20 divisors (see below), whose sum is σ = 140849616. Its totient is φ = 36220800.

The previous prime is 72569069. The next prime is 72569083. The reversal of 72569072 is 27096527.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

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

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 6197 + ... + 13547.

Almost surely, 2^72569072 is an apocalyptic number.

It is an amenable number.

72569072 is a deficient number, since it is larger than the sum of its proper divisors (68280544).

72569072 is a wasteful number, since it uses less digits than its factorization.

72569072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7976 (or 7970 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 38.

The square root of 72569072 is about 8518.7482648568. The cubic root of 72569072 is about 417.1099243050.

The spelling of 72569072 in words is "seventy-two million, five hundred sixty-nine thousand, seventy-two".