77000530 has 32 divisors (see below), whose sum is σ = 142515648. Its totient is φ = 29937600.

The previous prime is 77000519. The next prime is 77000549. The reversal of 77000530 is 3500077.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142060 + ... + 142600.

It is an arithmetic number, because the mean of its divisors is an integer number (4453614).

Almost surely, 2^77000530 is an apocalyptic number.

77000530 is a deficient number, since it is larger than the sum of its proper divisors (65515118).

77000530 is a wasteful number, since it uses less digits than its factorization.

77000530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 922.

The product of its (nonzero) digits is 735, while the sum is 22.

The square root of 77000530 is about 8774.9945868929. The cubic root of 77000530 is about 425.4330626089.

The spelling of 77000530 in words is "seventy-seven million, five hundred thirty", and thus it is an aban number.