61772754974 has 32 divisors (see below), whose sum is σ = 106255328256. Its totient is φ = 26384397120.

The previous prime is 61772754961. The next prime is 61772754997. The reversal of 61772754974 is 47945727716.

61772754974 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

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, 5353199 + ... + 5364725.

It is an arithmetic number, because the mean of its divisors is an integer number (3320479008).

Almost surely, 2^61772754974 is an apocalyptic number.

61772754974 is a deficient number, since it is larger than the sum of its proper divisors (44482573282).

61772754974 is a wasteful number, since it uses less digits than its factorization.

61772754974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12800.

The product of its digits is 20744640, while the sum is 59.

The spelling of 61772754974 in words is "sixty-one billion, seven hundred seventy-two million, seven hundred fifty-four thousand, nine hundred seventy-four".