74288898 has 24 divisors (see below), whose sum is σ = 169431600. Its totient is φ = 23459544.

The previous prime is 74288891. The next prime is 74288939. The reversal of 74288898 is 89888247.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (74288891) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 108268 + ... + 108951.

It is an arithmetic number, because the mean of its divisors is an integer number (7059650).

Almost surely, 2^74288898 is an apocalyptic number.

74288898 is an abundant number, since it is smaller than the sum of its proper divisors (95142702).

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

74288898 is a wasteful number, since it uses less digits than its factorization.

74288898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217246 (or 217243 counting only the distinct ones).

The product of its digits is 2064384, while the sum is 54.

The square root of 74288898 is about 8619.1007651611. The cubic root of 74288898 is about 420.3792832335.

The spelling of 74288898 in words is "seventy-four million, two hundred eighty-eight thousand, eight hundred ninety-eight".