61772912 has 10 divisors (see below), whose sum is σ = 119685048. Its totient is φ = 30886448.

The previous prime is 61772873. The next prime is 61772959. The reversal of 61772912 is 21927716.

61772912 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1930388 + ... + 1930419.

Almost surely, 2^61772912 is an apocalyptic number.

It is an amenable number.

61772912 is a deficient number, since it is larger than the sum of its proper divisors (57912136).

61772912 is a wasteful number, since it uses less digits than its factorization.

61772912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3860815 (or 3860809 counting only the distinct ones).

The product of its digits is 10584, while the sum is 35.

The square root of 61772912 is about 7859.5745431925. The cubic root of 61772912 is about 395.3053495361.

The spelling of 61772912 in words is "sixty-one million, seven hundred seventy-two thousand, nine hundred twelve".