74392734 has 32 divisors (see below), whose sum is σ = 162175104. Its totient is φ = 22612320.

The previous prime is 74392727. The next prime is 74392753. The reversal of 74392734 is 43729347.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 74392692 and 74392701.

It is a congruent number.

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, 729 + ... + 12219.

It is an arithmetic number, because the mean of its divisors is an integer number (5067972).

Almost surely, 2^74392734 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74392734, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81087552).

74392734 is an abundant number, since it is smaller than the sum of its proper divisors (87782370).

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

74392734 is a wasteful number, since it uses less digits than its factorization.

74392734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11592.

The product of its digits is 127008, while the sum is 39.

The square root of 74392734 is about 8625.1222600030. The cubic root of 74392734 is about 420.5750513001.

The spelling of 74392734 in words is "seventy-four million, three hundred ninety-two thousand, seven hundred thirty-four".