77404052 has 24 divisors (see below), whose sum is σ = 148001952. Its totient is φ = 35128800.

The previous prime is 77404051. The next prime is 77404069. The reversal of 77404052 is 25040477.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77404051) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 44063 + ... + 45785.

It is an arithmetic number, because the mean of its divisors is an integer number (6166748).

Almost surely, 2^77404052 is an apocalyptic number.

It is an amenable number.

77404052 is a deficient number, since it is larger than the sum of its proper divisors (70597900).

77404052 is a wasteful number, since it uses less digits than its factorization.

77404052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2759 (or 2757 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 29.

The square root of 77404052 is about 8797.9572629105. The cubic root of 77404052 is about 426.1749301783.

The spelling of 77404052 in words is "seventy-seven million, four hundred four thousand, fifty-two".