75557965 has 16 divisors (see below), whose sum is σ = 109077120. Its totient is φ = 49083840.

The previous prime is 75557953. The next prime is 75557969. The reversal of 75557965 is 56975557.

It is a de Polignac number, because none of the positive numbers 2^k-75557965 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75557969) 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 15 ways as a sum of consecutive naturals, for example, 56146 + ... + 57475.

It is an arithmetic number, because the mean of its divisors is an integer number (6817320).

Almost surely, 2^75557965 is an apocalyptic number.

It is an amenable number.

75557965 is a deficient number, since it is larger than the sum of its proper divisors (33519155).

75557965 is a wasteful number, since it uses less digits than its factorization.

75557965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113652.

The product of its digits is 1653750, while the sum is 49.

The square root of 75557965 is about 8692.4084694635. The cubic root of 75557965 is about 422.7595408226.

The spelling of 75557965 in words is "seventy-five million, five hundred fifty-seven thousand, nine hundred sixty-five".