72593442 has 32 divisors (see below), whose sum is σ = 162993600. Its totient is φ = 23946624.

The previous prime is 72593419. The next prime is 72593449. The reversal of 72593442 is 24439527.

It is a junction number, because it is equal to n+sod(n) for n = 72593397 and 72593406.

It is not an unprimeable number, because it can be changed into a prime (72593449) 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, 1692 + ... + 12167.

It is an arithmetic number, because the mean of its divisors is an integer number (5093550).

Almost surely, 2^72593442 is an apocalyptic number.

72593442 is an abundant number, since it is smaller than the sum of its proper divisors (90400158).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72593442 is a wasteful number, since it uses less digits than its factorization.

72593442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13967 (or 13961 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 72593442 is about 8520.1785192565. The cubic root of 72593442 is about 417.1566100850.

It can be divided in two parts, 7259 and 3442, that added together give a palindrome (10701).

The spelling of 72593442 in words is "seventy-two million, five hundred ninety-three thousand, four hundred forty-two".