77366340 has 72 divisors (see below), whose sum is σ = 243384960. Its totient is φ = 20629728.

The previous prime is 77366339. The next prime is 77366351. The reversal of 77366340 is 4366377.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 77366295 and 77366304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3100 + ... + 12819.

Almost surely, 2^77366340 is an apocalyptic number.

It is an amenable number.

77366340 is an abundant number, since it is smaller than the sum of its proper divisors (166018620).

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

77366340 is a wasteful number, since it uses less digits than its factorization.

77366340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15943 (or 15929 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 36.

The square root of 77366340 is about 8795.8137770192. The cubic root of 77366340 is about 426.1057067575.

The spelling of 77366340 in words is "seventy-seven million, three hundred sixty-six thousand, three hundred forty".