75930939 has 48 divisors (see below), whose sum is σ = 132787200. Its totient is φ = 43341480.

The previous prime is 75930913. The next prime is 75930947. The reversal of 75930939 is 93903957.

It is not a de Polignac number, because 75930939 - 2¹⁵ = 75898171 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 75930894 and 75930903.

It is not an unprimeable number, because it can be changed into a prime (75930949) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 82894 + ... + 83804.

It is an arithmetic number, because the mean of its divisors is an integer number (2766400).

Almost surely, 2^75930939 is an apocalyptic number.

75930939 is a deficient number, since it is larger than the sum of its proper divisors (56856261).

75930939 is an frugal number, since it uses more digits than its factorization.

75930939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 947 (or 921 counting only the distinct ones).

The product of its (nonzero) digits is 229635, while the sum is 45.

The square root of 75930939 is about 8713.8360668537. The cubic root of 75930939 is about 423.4540168183.

The spelling of 75930939 in words is "seventy-five million, nine hundred thirty thousand, nine hundred thirty-nine".