74575452 has 72 divisors (see below), whose sum is σ = 206324496. Its totient is φ = 20896512.

The previous prime is 74575441. The next prime is 74575463. The reversal of 74575452 is 25457547.

It is an interprime number because it is at equal distance from previous prime (74575441) and next prime (74575463).

It is a super-2 number, since 2×74575452² = 11122996082008608, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 74575452.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29968 + ... + 32360.

It is an arithmetic number, because the mean of its divisors is an integer number (2865618).

Almost surely, 2^74575452 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 74575452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103162248).

74575452 is an abundant number, since it is smaller than the sum of its proper divisors (131749044).

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

74575452 is a wasteful number, since it uses less digits than its factorization.

74575452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2467 (or 2458 counting only the distinct ones).

The product of its digits is 196000, while the sum is 39.

The square root of 74575452 is about 8635.7079617134. The cubic root of 74575452 is about 420.9190983540.

It can be divided in two parts, 7457545 and 2, that added together give a palindrome (7457547).

The spelling of 74575452 in words is "seventy-four million, five hundred seventy-five thousand, four hundred fifty-two".