77324057 has 4 divisors (see below), whose sum is σ = 78074880. Its totient is φ = 76573236.

The previous prime is 77324047. The next prime is 77324083. The reversal of 77324057 is 75042377.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 77324057 - 2⁶ = 77323993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77324017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 375257 + ... + 375462.

It is an arithmetic number, because the mean of its divisors is an integer number (19518720).

Almost surely, 2^77324057 is an apocalyptic number.

It is an amenable number.

77324057 is a deficient number, since it is larger than the sum of its proper divisors (750823).

77324057 is a wasteful number, since it uses less digits than its factorization.

77324057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 750822.

The product of its (nonzero) digits is 41160, while the sum is 35.

The square root of 77324057 is about 8793.4098619364. The cubic root of 77324057 is about 426.0280661415.

The spelling of 77324057 in words is "seventy-seven million, three hundred twenty-four thousand, fifty-seven".