72763983 has 12 divisors (see below), whose sum is σ = 105604408. Its totient is φ = 48278160.

The previous prime is 72763979. The next prime is 72763993. The reversal of 72763983 is 38936727.

It is a happy number.

72763983 is a `hidden beast` number, since 7 + 2 + 7 + 639 + 8 + 3 = 666.

It is not a de Polignac number, because 72763983 - 2² = 72763979 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72763903) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 17260 + ... + 21057.

Almost surely, 2^72763983 is an apocalyptic number.

72763983 is a deficient number, since it is larger than the sum of its proper divisors (32840425).

72763983 is a wasteful number, since it uses less digits than its factorization.

72763983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38534 (or 38531 counting only the distinct ones).

The product of its digits is 381024, while the sum is 45.

The square root of 72763983 is about 8530.1807132088. The cubic root of 72763983 is about 417.4830246364.

The spelling of 72763983 in words is "seventy-two million, seven hundred sixty-three thousand, nine hundred eighty-three".