72313942 has 8 divisors (see below), whose sum is σ = 110517696. Its totient is φ = 35474712.

The previous prime is 72313921. The next prime is 72313949. The reversal of 72313942 is 24931327.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72313949) 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, 340998 + ... + 341209.

It is an arithmetic number, because the mean of its divisors is an integer number (13814712).

Almost surely, 2^72313942 is an apocalyptic number.

72313942 is a deficient number, since it is larger than the sum of its proper divisors (38203754).

72313942 is a wasteful number, since it uses less digits than its factorization.

72313942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 682262.

The product of its digits is 9072, while the sum is 31.

The square root of 72313942 is about 8503.7604622896. The cubic root of 72313942 is about 416.6205413119.

The spelling of 72313942 in words is "seventy-two million, three hundred thirteen thousand, nine hundred forty-two".