77374368 has 36 divisors (see below), whose sum is σ = 220034178. Its totient is φ = 25791360.

The previous prime is 77374351. The next prime is 77374387. The reversal of 77374368 is 86347377.

It can be written as a sum of positive squares in only one way, i.e., 62536464 + 14837904 = 7908^2 + 3852^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 134043 + ... + 134618.

Almost surely, 2^77374368 is an apocalyptic number.

It is an amenable number.

77374368 is an abundant number, since it is smaller than the sum of its proper divisors (142659810).

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

77374368 is a wasteful number, since it uses less digits than its factorization.

77374368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268677 (or 268666 counting only the distinct ones).

The product of its digits is 592704, while the sum is 45.

The square root of 77374368 is about 8796.2701186355. The cubic root of 77374368 is about 426.1204446840.

The spelling of 77374368 in words is "seventy-seven million, three hundred seventy-four thousand, three hundred sixty-eight".