74731434 has 32 divisors (see below), whose sum is σ = 155226240. Its totient is φ = 23956800.

The previous prime is 74731429. The next prime is 74731471. The reversal of 74731434 is 43413747.

It is a junction number, because it is equal to n+sod(n) for n = 74731395 and 74731404.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53424 + ... + 54804.

It is an arithmetic number, because the mean of its divisors is an integer number (4850820).

Almost surely, 2^74731434 is an apocalyptic number.

74731434 is an abundant number, since it is smaller than the sum of its proper divisors (80494806).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74731434 is a wasteful number, since it uses less digits than its factorization.

74731434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1726.

The product of its digits is 28224, while the sum is 33.

The square root of 74731434 is about 8644.7344667144. The cubic root of 74731434 is about 421.2123587542.

The spelling of 74731434 in words is "seventy-four million, seven hundred thirty-one thousand, four hundred thirty-four".