74749248 has 84 divisors (see below), whose sum is σ = 244876320. Its totient is φ = 21355776.

The previous prime is 74749229. The next prime is 74749253. The reversal of 74749248 is 84294747.

It is a tau number, because it is divible by the number of its divisors (84).

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 11 ways as a sum of consecutive naturals, for example, 5238 + ... + 13301.

Almost surely, 2^74749248 is an apocalyptic number.

It is an amenable number.

74749248 is an abundant number, since it is smaller than the sum of its proper divisors (170127072).

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

74749248 is a wasteful number, since it uses less digits than its factorization.

74749248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18564 (or 18551 counting only the distinct ones).

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

The square root of 74749248 is about 8645.7647435030. The cubic root of 74749248 is about 421.2458247289.

The spelling of 74749248 in words is "seventy-four million, seven hundred forty-nine thousand, two hundred forty-eight".