72504783 has 24 divisors (see below), whose sum is σ = 114645440. Its totient is φ = 43882560.

The previous prime is 72504781. The next prime is 72504791. The reversal of 72504783 is 38740527.

72504783 is a `hidden beast` number, since 72 + 504 + 7 + 83 = 666.

It is not a de Polignac number, because 72504783 - 2¹ = 72504781 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72504781) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2058 + ... + 12216.

Almost surely, 2^72504783 is an apocalyptic number.

72504783 is a deficient number, since it is larger than the sum of its proper divisors (42140657).

72504783 is a wasteful number, since it uses less digits than its factorization.

72504783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10239 (or 10236 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The square root of 72504783 is about 8514.9740457620. The cubic root of 72504783 is about 416.9867152402.

The spelling of 72504783 in words is "seventy-two million, five hundred four thousand, seven hundred eighty-three".