75660755 has 16 divisors (see below), whose sum is σ = 97006080. Its totient is φ = 56482272.

The previous prime is 75660737. The next prime is 75660763. The reversal of 75660755 is 55706657.

It is a cyclic number.

It is not a de Polignac number, because 75660755 - 2²⁶ = 8551891 is a prime.

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, 422 + ... + 12308.

It is an arithmetic number, because the mean of its divisors is an integer number (6062880).

Almost surely, 2^75660755 is an apocalyptic number.

75660755 is a deficient number, since it is larger than the sum of its proper divisors (21345325).

75660755 is a wasteful number, since it uses less digits than its factorization.

75660755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11978.

The product of its (nonzero) digits is 220500, while the sum is 41.

The square root of 75660755 is about 8698.3190904910. The cubic root of 75660755 is about 422.9511630749.

The spelling of 75660755 in words is "seventy-five million, six hundred sixty thousand, seven hundred fifty-five".