74040098 has 16 divisors (see below), whose sum is σ = 121616640. Its totient is φ = 33526800.

The previous prime is 74040097. The next prime is 74040119. The reversal of 74040098 is 89004047.

It is a happy number.

It is a super-2 number, since 2×74040098² = 10963872223699208, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (74040097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 338 + ... + 12173.

It is an arithmetic number, because the mean of its divisors is an integer number (7601040).

Almost surely, 2^74040098 is an apocalyptic number.

74040098 is a deficient number, since it is larger than the sum of its proper divisors (47576542).

74040098 is a wasteful number, since it uses less digits than its factorization.

74040098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12793.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 74040098 is about 8604.6556003131. The cubic root of 74040098 is about 419.9094627221.

The spelling of 74040098 in words is "seventy-four million, forty thousand, ninety-eight".