75131950 has 12 divisors (see below), whose sum is σ = 139745520. Its totient is φ = 30052760.

The previous prime is 75131929. The next prime is 75131983. The reversal of 75131950 is 5913157.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 751270 + ... + 751369.

It is an arithmetic number, because the mean of its divisors is an integer number (11645460).

Almost surely, 2^75131950 is an apocalyptic number.

75131950 is a deficient number, since it is larger than the sum of its proper divisors (64613570).

75131950 is a wasteful number, since it uses less digits than its factorization.

75131950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1502651 (or 1502646 counting only the distinct ones).

The product of its (nonzero) digits is 4725, while the sum is 31.

The square root of 75131950 is about 8667.8688268801. The cubic root of 75131950 is about 421.9635009574.

The spelling of 75131950 in words is "seventy-five million, one hundred thirty-one thousand, nine hundred fifty".