77275075 has 24 divisors (see below), whose sum is σ = 97993728. Its totient is φ = 60437280.

The previous prime is 77275067. The next prime is 77275087. The reversal of 77275075 is 57057277.

It is not a de Polignac number, because 77275075 - 2³ = 77275067 is a prime.

It is a Duffinian 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, 346414 + ... + 346636.

It is an arithmetic number, because the mean of its divisors is an integer number (4083072).

Almost surely, 2^77275075 is an apocalyptic number.

77275075 is a deficient number, since it is larger than the sum of its proper divisors (20718653).

77275075 is a wasteful number, since it uses less digits than its factorization.

77275075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483 (or 478 counting only the distinct ones).

The product of its (nonzero) digits is 120050, while the sum is 40.

The square root of 77275075 is about 8790.6242667970. The cubic root of 77275075 is about 425.9380893373.

The spelling of 77275075 in words is "seventy-seven million, two hundred seventy-five thousand, seventy-five".