77340404 has 6 divisors (see below), whose sum is σ = 135345714. Its totient is φ = 38670200.

The previous prime is 77340353. The next prime is 77340407. The reversal of 77340404 is 40404377.

It can be written as a sum of positive squares in only one way, i.e., 77088400 + 252004 = 8780^2 + 502^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77340407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9667547 + ... + 9667554.

It is an arithmetic number, because the mean of its divisors is an integer number (22557619).

Almost surely, 2^77340404 is an apocalyptic number.

It is an amenable number.

77340404 is a deficient number, since it is larger than the sum of its proper divisors (58005310).

77340404 is a wasteful number, since it uses less digits than its factorization.

77340404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19335105 (or 19335103 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 29.

The square root of 77340404 is about 8794.3393157189. The cubic root of 77340404 is about 426.0580860790.

The spelling of 77340404 in words is "seventy-seven million, three hundred forty thousand, four hundred four".