72468764 has 6 divisors (see below), whose sum is σ = 126820344. Its totient is φ = 36234380.

The previous prime is 72468763. The next prime is 72468769. The reversal of 72468764 is 46786427.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72468761) 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 as a sum of consecutive naturals, namely, 9058592 + ... + 9058599.

It is an arithmetic number, because the mean of its divisors is an integer number (21136724).

Almost surely, 2^72468764 is an apocalyptic number.

It is an amenable number.

72468764 is a deficient number, since it is larger than the sum of its proper divisors (54351580).

72468764 is a wasteful number, since it uses less digits than its factorization.

72468764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18117195 (or 18117193 counting only the distinct ones).

The product of its digits is 451584, while the sum is 44.

The square root of 72468764 is about 8512.8587442762. The cubic root of 72468764 is about 416.9176534410.

The spelling of 72468764 in words is "seventy-two million, four hundred sixty-eight thousand, seven hundred sixty-four".