74731734 has 96 divisors (see below), whose sum is σ = 209454336. Its totient is φ = 19401120.

The previous prime is 74731729. The next prime is 74731757. The reversal of 74731734 is 43713747.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 36424 + ... + 38420.

It is an arithmetic number, because the mean of its divisors is an integer number (2181816).

Almost surely, 2^74731734 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74731734, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104727168).

74731734 is an abundant number, since it is smaller than the sum of its proper divisors (134722602).

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

74731734 is a wasteful number, since it uses less digits than its factorization.

74731734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2032 (or 2020 counting only the distinct ones).

The product of its digits is 49392, while the sum is 36.

The square root of 74731734 is about 8644.7518182999. The cubic root of 74731734 is about 421.2129223883.

The spelling of 74731734 in words is "seventy-four million, seven hundred thirty-one thousand, seven hundred thirty-four".