72973364 has 12 divisors (see below), whose sum is σ = 128027844. Its totient is φ = 36393984.

The previous prime is 72973343. The next prime is 72973387. The reversal of 72973364 is 46337927.

It can be written as a sum of positive squares in 2 ways, for example, as 34904464 + 38068900 = 5908^2 + 6170^2 .

It is a super-2 number, since 2×72973364² = 10650223706952992, which contains 22 as substring.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 21389 + ... + 24564.

It is an arithmetic number, because the mean of its divisors is an integer number (10668987).

Almost surely, 2^72973364 is an apocalyptic number.

It is an amenable number.

72973364 is a deficient number, since it is larger than the sum of its proper divisors (55054480).

72973364 is a wasteful number, since it uses less digits than its factorization.

72973364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46354 (or 46352 counting only the distinct ones).

The product of its digits is 190512, while the sum is 41.

The square root of 72973364 is about 8542.4448491050. Note that the first 3 decimals coincide. The cubic root of 72973364 is about 417.8830820029.

It can be divided in two parts, 72973 and 364, that added together give a palindrome (73337).

The spelling of 72973364 in words is "seventy-two million, nine hundred seventy-three thousand, three hundred sixty-four".