61713824 has 24 divisors (see below), whose sum is σ = 127895040. Its totient is φ = 29232576.

The previous prime is 61713793. The next prime is 61713829. The reversal of 61713824 is 42831716.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (61713829) 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, 50144 + ... + 51359.

It is an arithmetic number, because the mean of its divisors is an integer number (5328960).

Almost surely, 2^61713824 is an apocalyptic number.

It is an amenable number.

61713824 is an abundant number, since it is smaller than the sum of its proper divisors (66181216).

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

61713824 is a wasteful number, since it uses less digits than its factorization.

61713824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101532 (or 101524 counting only the distinct ones).

The product of its digits is 8064, while the sum is 32.

The square root of 61713824 is about 7855.8146617649. The cubic root of 61713824 is about 395.1792680913.

It can be divided in two parts, 617 and 13824, that added together give a palindrome (14441).

The spelling of 61713824 in words is "sixty-one million, seven hundred thirteen thousand, eight hundred twenty-four".