61964132 has 12 divisors (see below), whose sum is σ = 109129020. Its totient is φ = 30784416.

The previous prime is 61964129. The next prime is 61964143. The reversal of 61964132 is 23146916.

It can be written as a sum of positive squares in 2 ways, for example, as 7706176 + 54257956 = 2776^2 + 7366^2 .

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, 48707 + ... + 49962.

It is an arithmetic number, because the mean of its divisors is an integer number (9094085).

Almost surely, 2^61964132 is an apocalyptic number.

It is an amenable number.

61964132 is a deficient number, since it is larger than the sum of its proper divisors (47164888).

61964132 is a wasteful number, since it uses less digits than its factorization.

61964132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98830 (or 98828 counting only the distinct ones).

The product of its digits is 7776, while the sum is 32.

The square root of 61964132 is about 7871.7299242289. The cubic root of 61964132 is about 395.7128227741.

The spelling of 61964132 in words is "sixty-one million, nine hundred sixty-four thousand, one hundred thirty-two".