74989598 has 4 divisors (see below), whose sum is σ = 112484400. Its totient is φ = 37494798.

The previous prime is 74989597. The next prime is 74989609. The reversal of 74989598 is 89598947.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74989597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18747398 + ... + 18747401.

It is an arithmetic number, because the mean of its divisors is an integer number (28121100).

Almost surely, 2^74989598 is an apocalyptic number.

74989598 is a deficient number, since it is larger than the sum of its proper divisors (37494802).

74989598 is a wasteful number, since it uses less digits than its factorization.

74989598 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37494801.

The product of its digits is 6531840, while the sum is 59.

The square root of 74989598 is about 8659.6534572695. The cubic root of 74989598 is about 421.6968353348.

The spelling of 74989598 in words is "seventy-four million, nine hundred eighty-nine thousand, five hundred ninety-eight".