74852128 has 36 divisors (see below), whose sum is σ = 159584418. Its totient is φ = 34544640.

The previous prime is 74852119. The next prime is 74852137. The reversal of 74852128 is 82125847.

It is an interprime number because it is at equal distance from previous prime (74852119) and next prime (74852137).

It can be written as a sum of positive squares in 3 ways, for example, as 30603024 + 44249104 = 5532^2 + 6652^2 .

It is a super-2 number, since 2×74852128² = 11205682132256768, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1513 + ... + 12328.

Almost surely, 2^74852128 is an apocalyptic number.

It is an amenable number.

74852128 is an abundant number, since it is smaller than the sum of its proper divisors (84732290).

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

74852128 is a wasteful number, since it uses less digits than its factorization.

74852128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13877 (or 13856 counting only the distinct ones).

The product of its digits is 35840, while the sum is 37.

The square root of 74852128 is about 8651.7124316519. The cubic root of 74852128 is about 421.4389945795.

The spelling of 74852128 in words is "seventy-four million, eight hundred fifty-two thousand, one hundred twenty-eight".