75408938 has 16 divisors (see below), whose sum is σ = 123875136. Its totient is φ = 34143840.

The previous prime is 75408937. The next prime is 75408943. The reversal of 75408938 is 83980457.

It is not an unprimeable number, because it can be changed into a prime (75408937) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 731 + ... + 12302.

It is an arithmetic number, because the mean of its divisors is an integer number (7742196).

Almost surely, 2^75408938 is an apocalyptic number.

75408938 is a deficient number, since it is larger than the sum of its proper divisors (48466198).

75408938 is a wasteful number, since it uses less digits than its factorization.

75408938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13309.

The product of its (nonzero) digits is 241920, while the sum is 44.

The square root of 75408938 is about 8683.8319882411. The cubic root of 75408938 is about 422.4814141656.

The spelling of 75408938 in words is "seventy-five million, four hundred eight thousand, nine hundred thirty-eight".