74987552 has 12 divisors (see below), whose sum is σ = 147631806. Its totient is φ = 37493760.

The previous prime is 74987537. The next prime is 74987557. The reversal of 74987552 is 25578947.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 58308496 + 16679056 = 7636^2 + 4084^2 .

It is a junction number, because it is equal to n+sod(n) for n = 74987497 and 74987506.

It is not an unprimeable number, because it can be changed into a prime (74987557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1171649 + ... + 1171712.

Almost surely, 2^74987552 is an apocalyptic number.

It is an amenable number.

74987552 is a deficient number, since it is larger than the sum of its proper divisors (72644254).

74987552 is a wasteful number, since it uses less digits than its factorization.

74987552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2343371 (or 2343363 counting only the distinct ones).

The product of its digits is 705600, while the sum is 47.

The square root of 74987552 is about 8659.5353224062. The cubic root of 74987552 is about 421.6930001382.

The spelling of 74987552 in words is "seventy-four million, nine hundred eighty-seven thousand, five hundred fifty-two".