72950983 has 4 divisors (see below), whose sum is σ = 83372560. Its totient is φ = 62529408.

The previous prime is 72950971. The next prime is 72950989. The reversal of 72950983 is 38905927.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 38905927 = 43 ⋅904789.

It is a cyclic number.

It is not a de Polignac number, because 72950983 - 2⁵ = 72950951 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 (72950989) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5210778 + ... + 5210791.

It is an arithmetic number, because the mean of its divisors is an integer number (20843140).

Almost surely, 2^72950983 is an apocalyptic number.

72950983 is a deficient number, since it is larger than the sum of its proper divisors (10421577).

72950983 is a wasteful number, since it uses less digits than its factorization.

72950983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10421576.

The product of its (nonzero) digits is 136080, while the sum is 43.

The square root of 72950983 is about 8541.1347606744. The cubic root of 72950983 is about 417.8403559220.

The spelling of 72950983 in words is "seventy-two million, nine hundred fifty thousand, nine hundred eighty-three".