61612304 has 20 divisors (see below), whose sum is σ = 128556876. Its totient is φ = 28436352.

The previous prime is 61612303. The next prime is 61612339. The reversal of 61612304 is 40321616.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 23814400 + 37797904 = 4880^2 + 6148^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 61612304.

It is not an unprimeable number, because it can be changed into a prime (61612303) 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, 147899 + ... + 148314.

Almost surely, 2^61612304 is an apocalyptic number.

It is an amenable number.

61612304 is an abundant number, since it is smaller than the sum of its proper divisors (66944572).

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

61612304 is a wasteful number, since it uses less digits than its factorization.

61612304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296234 (or 296228 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 61612304 is about 7849.3505463828. The cubic root of 61612304 is about 394.9624575760.

It can be divided in two parts, 61612 and 304, that added together give a palindrome (61916).

The spelling of 61612304 in words is "sixty-one million, six hundred twelve thousand, three hundred four".