61964772 has 24 divisors (see below), whose sum is σ = 144737376. Its totient is φ = 20633088.

The previous prime is 61964761. The next prime is 61964789. The reversal of 61964772 is 27746916.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12483 + ... + 16725.

It is an arithmetic number, because the mean of its divisors is an integer number (6030724).

Almost surely, 2^61964772 is an apocalyptic number.

It is an amenable number.

61964772 is an abundant number, since it is smaller than the sum of its proper divisors (82772604).

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

61964772 is a wasteful number, since it uses less digits than its factorization.

61964772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5467 (or 5465 counting only the distinct ones).

The product of its digits is 127008, while the sum is 42.

The square root of 61964772 is about 7871.7705759251. The cubic root of 61964772 is about 395.7141851501.

The spelling of 61964772 in words is "sixty-one million, nine hundred sixty-four thousand, seven hundred seventy-two".