61964304 has 20 divisors (see below), whose sum is σ = 160074576. Its totient is φ = 20654752.

The previous prime is 61964299. The next prime is 61964311. The reversal of 61964304 is 40346916.

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, 645414 + ... + 645509.

Almost surely, 2^61964304 is an apocalyptic number.

It is an amenable number.

61964304 is an abundant number, since it is smaller than the sum of its proper divisors (98110272).

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

61964304 is a wasteful number, since it uses less digits than its factorization.

61964304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1290934 (or 1290928 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 61964304 is about 7871.7408493928. The cubic root of 61964304 is about 395.7131889135.

The spelling of 61964304 in words is "sixty-one million, nine hundred sixty-four thousand, three hundred four".