77349404 has 48 divisors (see below), whose sum is σ = 152603136. Its totient is φ = 34003200.

The previous prime is 77349401. The next prime is 77349407. The reversal of 77349404 is 40494377.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (77349401) and next prime (77349407).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77349401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 233519 + ... + 233849.

It is an arithmetic number, because the mean of its divisors is an integer number (3179232).

Almost surely, 2^77349404 is an apocalyptic number.

It is an amenable number.

77349404 is a deficient number, since it is larger than the sum of its proper divisors (75253732).

77349404 is a wasteful number, since it uses less digits than its factorization.

77349404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506 (or 504 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 38.

The square root of 77349404 is about 8794.8509936212. The cubic root of 77349404 is about 426.0746120424.

The spelling of 77349404 in words is "seventy-seven million, three hundred forty-nine thousand, four hundred four".