74989248 has 112 divisors (see below), whose sum is σ = 210287616. Its totient is φ = 23546880.

The previous prime is 74989237. The next prime is 74989267. The reversal of 74989248 is 84298947.

It is a self number, because there is not a number n which added to its sum of digits gives 74989248.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 255790 + ... + 256082.

It is an arithmetic number, because the mean of its divisors is an integer number (1877568).

Almost surely, 2^74989248 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 74989248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105143808).

74989248 is an abundant number, since it is smaller than the sum of its proper divisors (135298368).

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

74989248 is a wasteful number, since it uses less digits than its factorization.

74989248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382 (or 372 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 51.

The square root of 74989248 is about 8659.6332485851. The cubic root of 74989248 is about 421.6961792700.

The spelling of 74989248 in words is "seventy-four million, nine hundred eighty-nine thousand, two hundred forty-eight".