72371044 has 6 divisors (see below), whose sum is σ = 126649334. Its totient is φ = 36185520.

The previous prime is 72371029. The next prime is 72371053. The reversal of 72371044 is 44017327.

It can be written as a sum of positive squares in only one way, i.e., 72046144 + 324900 = 8488^2 + 570^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9046377 + ... + 9046384.

Almost surely, 2^72371044 is an apocalyptic number.

It is an amenable number.

72371044 is a deficient number, since it is larger than the sum of its proper divisors (54278290).

72371044 is a wasteful number, since it uses less digits than its factorization.

72371044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18092765 (or 18092763 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 72371044 is about 8507.1172555690. The cubic root of 72371044 is about 416.7301725781.

It can be divided in two parts, 7237 and 1044, that added together give a square (8281 = 91²).

The spelling of 72371044 in words is "seventy-two million, three hundred seventy-one thousand, forty-four".