74726432 has 48 divisors (see below), whose sum is σ = 164257632. Its totient is φ = 33169920.

The previous prime is 74726429. The next prime is 74726467. The reversal of 74726432 is 23462747.

It is a junction number, because it is equal to n+sod(n) for n = 74726392 and 74726401.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12668 + ... + 17604.

It is an arithmetic number, because the mean of its divisors is an integer number (3422034).

Almost surely, 2^74726432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74726432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82128816).

74726432 is an abundant number, since it is smaller than the sum of its proper divisors (89531200).

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

74726432 is a wasteful number, since it uses less digits than its factorization.

74726432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5001 (or 4993 counting only the distinct ones).

The product of its digits is 56448, while the sum is 35.

The square root of 74726432 is about 8644.4451528135. The cubic root of 74726432 is about 421.2029608739.

The spelling of 74726432 in words is "seventy-four million, seven hundred twenty-six thousand, four hundred thirty-two".