75081975 has 12 divisors (see below), whose sum is σ = 124135656. Its totient is φ = 40043680.

The previous prime is 75081949. The next prime is 75081989. The reversal of 75081975 is 57918057.

It is not a de Polignac number, because 75081975 - 2⁵ = 75081943 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 500472 + ... + 500621.

It is an arithmetic number, because the mean of its divisors is an integer number (10344638).

Almost surely, 2^75081975 is an apocalyptic number.

75081975 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

75081975 is a deficient number, since it is larger than the sum of its proper divisors (49053681).

75081975 is a wasteful number, since it uses less digits than its factorization.

75081975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1001106 (or 1001101 counting only the distinct ones).

The product of its (nonzero) digits is 88200, while the sum is 42.

The square root of 75081975 is about 8664.9855741369. The cubic root of 75081975 is about 421.8699220239.

The spelling of 75081975 in words is "seventy-five million, eighty-one thousand, nine hundred seventy-five".