74589956 has 36 divisors (see below), whose sum is σ = 152526528. Its totient is φ = 31823568.

The previous prime is 74589887. The next prime is 74589967. The reversal of 74589956 is 65998547.

Its product of digits (2721600) is a multiple of the sum of its prime factors (1728).

It is a junction number, because it is equal to n+sod(n) for n = 74589898 and 74589907.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50825 + ... + 52271.

It is an arithmetic number, because the mean of its divisors is an integer number (4236848).

Almost surely, 2^74589956 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 74589956, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76263264).

74589956 is an abundant number, since it is smaller than the sum of its proper divisors (77936572).

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

74589956 is a wasteful number, since it uses less digits than its factorization.

74589956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1728 (or 1719 counting only the distinct ones).

The product of its digits is 2721600, while the sum is 53.

The square root of 74589956 is about 8636.5476899048. The cubic root of 74589956 is about 420.9463844323.

The spelling of 74589956 in words is "seventy-four million, five hundred eighty-nine thousand, nine hundred fifty-six".