747331238 has 4 divisors (see below), whose sum is σ = 1120996860. Its totient is φ = 373665618.

The previous prime is 747331201. The next prime is 747331241. The reversal of 747331238 is 832133747.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 832133747 = 19 ⋅43796513.

It is a super-2 number, since 2×747331238² = 1117007958581225288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 186832808 + ... + 186832811.

It is an arithmetic number, because the mean of its divisors is an integer number (280249215).

Almost surely, 2^747331238 is an apocalyptic number.

747331238 is a deficient number, since it is larger than the sum of its proper divisors (373665622).

747331238 is a wasteful number, since it uses less digits than its factorization.

747331238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373665621.

The product of its digits is 84672, while the sum is 38.

The square root of 747331238 is about 27337.3597481542. The cubic root of 747331238 is about 907.4813573466.

The spelling of 747331238 in words is "seven hundred forty-seven million, three hundred thirty-one thousand, two hundred thirty-eight".