74140998 has 16 divisors (see below), whose sum is σ = 148490496. Its totient is φ = 24678920.

The previous prime is 74140991. The next prime is 74141017. The reversal of 74140998 is 89904147.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74140991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3858 + ... + 12773.

It is an arithmetic number, because the mean of its divisors is an integer number (9280656).

Almost surely, 2^74140998 is an apocalyptic number.

74140998 is an abundant number, since it is smaller than the sum of its proper divisors (74349498).

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

74140998 is a wasteful number, since it uses less digits than its factorization.

74140998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17379.

The product of its (nonzero) digits is 72576, while the sum is 42.

The square root of 74140998 is about 8610.5167092341. The cubic root of 74140998 is about 420.1001235220.

The spelling of 74140998 in words is "seventy-four million, one hundred forty thousand, nine hundred ninety-eight".