74497248 has 108 divisors (see below), whose sum is σ = 246486240. Its totient is φ = 21280896.

The previous prime is 74497229. The next prime is 74497273. The reversal of 74497248 is 84279447.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 11473 + ... + 16751.

It is an arithmetic number, because the mean of its divisors is an integer number (2282280).

Almost surely, 2^74497248 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 74497248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123243120).

74497248 is an abundant number, since it is smaller than the sum of its proper divisors (171988992).

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

74497248 is a wasteful number, since it uses less digits than its factorization.

74497248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5309 (or 5291 counting only the distinct ones).

The product of its digits is 451584, while the sum is 45.

The square root of 74497248 is about 8631.1788302641. The cubic root of 74497248 is about 420.7719137717.

The spelling of 74497248 in words is "seventy-four million, four hundred ninety-seven thousand, two hundred forty-eight".