75656475 has 18 divisors (see below), whose sum is σ = 135509556. Its totient is φ = 40350000.

The previous prime is 75656459. The next prime is 75656501. The reversal of 75656475 is 57465657.

It is not a de Polignac number, because 75656475 - 2⁴ = 75656459 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 75656475.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 167901 + ... + 168350.

Almost surely, 2^75656475 is an apocalyptic number.

75656475 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

75656475 is a deficient number, since it is larger than the sum of its proper divisors (59853081).

75656475 is a wasteful number, since it uses less digits than its factorization.

75656475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336267 (or 336259 counting only the distinct ones).

The product of its digits is 882000, while the sum is 45.

The square root of 75656475 is about 8698.0730624662. The cubic root of 75656475 is about 422.9431877156.

The spelling of 75656475 in words is "seventy-five million, six hundred fifty-six thousand, four hundred seventy-five".