74402198 has 8 divisors (see below), whose sum is σ = 120188208. Its totient is φ = 34339464.

The previous prime is 74402189. The next prime is 74402213. The reversal of 74402198 is 89120447.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1430786 + ... + 1430837.

It is an arithmetic number, because the mean of its divisors is an integer number (15023526).

Almost surely, 2^74402198 is an apocalyptic number.

74402198 is a deficient number, since it is larger than the sum of its proper divisors (45786010).

74402198 is a wasteful number, since it uses less digits than its factorization.

74402198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2861638.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 74402198 is about 8625.6708724597. The cubic root of 74402198 is about 420.5928852708.

The spelling of 74402198 in words is "seventy-four million, four hundred two thousand, one hundred ninety-eight".