74831481 has 24 divisors (see below), whose sum is σ = 116436320. Its totient is φ = 46158336.

The previous prime is 74831479. The next prime is 74831483. The reversal of 74831481 is 18413847.

It is an interprime number because it is at equal distance from previous prime (74831479) and next prime (74831483).

It is not a de Polignac number, because 74831481 - 2¹ = 74831479 is a prime.

It is a super-2 number, since 2×74831481² = 11199501097306722, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74831483) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2265 + ... + 12441.

Almost surely, 2^74831481 is an apocalyptic number.

It is an amenable number.

74831481 is a deficient number, since it is larger than the sum of its proper divisors (41604839).

74831481 is a wasteful number, since it uses less digits than its factorization.

74831481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10245 (or 10242 counting only the distinct ones).

The product of its digits is 21504, while the sum is 36.

The square root of 74831481 is about 8650.5191173709. The cubic root of 74831481 is about 421.4002415013.

The spelling of 74831481 in words is "seventy-four million, eight hundred thirty-one thousand, four hundred eighty-one".