75874394 has 4 divisors (see below), whose sum is σ = 113811594. Its totient is φ = 37937196.

The previous prime is 75874373. The next prime is 75874397. The reversal of 75874394 is 49347857.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 70644025 + 5230369 = 8405^2 + 2287^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (75874397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18968597 + ... + 18968600.

Almost surely, 2^75874394 is an apocalyptic number.

75874394 is a deficient number, since it is larger than the sum of its proper divisors (37937200).

75874394 is a wasteful number, since it uses less digits than its factorization.

75874394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37937199.

The product of its digits is 846720, while the sum is 47.

The square root of 75874394 is about 8710.5909099211. The cubic root of 75874394 is about 423.3488767448.

The spelling of 75874394 in words is "seventy-five million, eight hundred seventy-four thousand, three hundred ninety-four".