75783057 has 48 divisors (see below), whose sum is σ = 122332032. Its totient is φ = 41583360.

The previous prime is 75783053. The next prime is 75783073. The reversal of 75783057 is 75038757.

It is not a de Polignac number, because 75783057 - 2² = 75783053 is a prime.

It is not an unprimeable number, because it can be changed into a prime (75783053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 553093 + ... + 553229.

It is an arithmetic number, because the mean of its divisors is an integer number (2548584).

Almost surely, 2^75783057 is an apocalyptic number.

It is an amenable number.

75783057 is a deficient number, since it is larger than the sum of its proper divisors (46548975).

75783057 is a wasteful number, since it uses less digits than its factorization.

75783057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278 (or 271 counting only the distinct ones).

The product of its (nonzero) digits is 205800, while the sum is 42.

The square root of 75783057 is about 8705.3464606528. The cubic root of 75783057 is about 423.1789338495.

The spelling of 75783057 in words is "seventy-five million, seven hundred eighty-three thousand, fifty-seven".