61964364 has 48 divisors (see below), whose sum is σ = 180262656. Its totient is φ = 16094400.

The previous prime is 61964321. The next prime is 61964389. The reversal of 61964364 is 46346916.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32607 + ... + 34454.

It is an arithmetic number, because the mean of its divisors is an integer number (3755472).

Almost surely, 2^61964364 is an apocalyptic number.

It is an amenable number.

61964364 is an abundant number, since it is smaller than the sum of its proper divisors (118298292).

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

61964364 is a wasteful number, since it uses less digits than its factorization.

61964364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67086 (or 67084 counting only the distinct ones).

The product of its digits is 93312, while the sum is 39.

The square root of 61964364 is about 7871.7446604930. The cubic root of 61964364 is about 395.7133166365.

The spelling of 61964364 in words is "sixty-one million, nine hundred sixty-four thousand, three hundred sixty-four".