72677473 has 16 divisors (see below), whose sum is σ = 80563392. Its totient is φ = 65016000.

The previous prime is 72677471. The next prime is 72677477. The reversal of 72677473 is 37477627.

It is a cyclic number.

It is not a de Polignac number, because 72677473 - 2¹ = 72677471 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72677471) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 344338 + ... + 344548.

It is an arithmetic number, because the mean of its divisors is an integer number (5035212).

Almost surely, 2^72677473 is an apocalyptic number.

It is an amenable number.

72677473 is a deficient number, since it is larger than the sum of its proper divisors (7885919).

72677473 is a wasteful number, since it uses less digits than its factorization.

72677473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 576.

The product of its digits is 345744, while the sum is 43.

The square root of 72677473 is about 8525.1083864078. The cubic root of 72677473 is about 417.3175087794.

The spelling of 72677473 in words is "seventy-two million, six hundred seventy-seven thousand, four hundred seventy-three".