77325406 has 4 divisors (see below), whose sum is σ = 115988112. Its totient is φ = 38662702.

The previous prime is 77325371. The next prime is 77325427. The reversal of 77325406 is 60452377.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19331350 + ... + 19331353.

It is an arithmetic number, because the mean of its divisors is an integer number (28997028).

Almost surely, 2^77325406 is an apocalyptic number.

77325406 is a deficient number, since it is larger than the sum of its proper divisors (38662706).

77325406 is a wasteful number, since it uses less digits than its factorization.

77325406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38662705.

The product of its (nonzero) digits is 35280, while the sum is 34.

The square root of 77325406 is about 8793.4865667720. The cubic root of 77325406 is about 426.0305436306.

The spelling of 77325406 in words is "seventy-seven million, three hundred twenty-five thousand, four hundred six".