61239792 has 20 divisors (see below), whose sum is σ = 158202920. Its totient is φ = 20413248.

The previous prime is 61239779. The next prime is 61239811. The reversal of 61239792 is 29793216.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 61239792.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 637867 + ... + 637962.

It is an arithmetic number, because the mean of its divisors is an integer number (7910146).

Almost surely, 2^61239792 is an apocalyptic number.

It is an amenable number.

61239792 is an abundant number, since it is smaller than the sum of its proper divisors (96963128).

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

61239792 is a wasteful number, since it uses less digits than its factorization.

61239792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1275840 (or 1275834 counting only the distinct ones).

The product of its digits is 40824, while the sum is 39.

The square root of 61239792 is about 7825.5857288768. The cubic root of 61239792 is about 394.1648583893.

It can be divided in two parts, 612 and 39792, that added together give a palindrome (40404).

The spelling of 61239792 in words is "sixty-one million, two hundred thirty-nine thousand, seven hundred ninety-two".