74249448 has 64 divisors (see below), whose sum is σ = 228466560. Its totient is φ = 19581696.

The previous prime is 74249437. The next prime is 74249453. The reversal of 74249448 is 84494247.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 14815 + ... + 19182.

It is an arithmetic number, because the mean of its divisors is an integer number (3569790).

Almost surely, 2^74249448 is an apocalyptic number.

74249448 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

It is an amenable number.

74249448 is an abundant number, since it is smaller than the sum of its proper divisors (154217112).

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

74249448 is a wasteful number, since it uses less digits than its factorization.

74249448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34026 (or 34022 counting only the distinct ones).

The product of its digits is 258048, while the sum is 42.

The square root of 74249448 is about 8616.8119394588. The cubic root of 74249448 is about 420.3048580296.

The spelling of 74249448 in words is "seventy-four million, two hundred forty-nine thousand, four hundred forty-eight".