74199398 has 32 divisors (see below), whose sum is σ = 137476416. Its totient is φ = 29248128.

The previous prime is 74199361. The next prime is 74199409. The reversal of 74199398 is 89399147.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67340 + ... + 68432.

It is an arithmetic number, because the mean of its divisors is an integer number (4296138).

Almost surely, 2^74199398 is an apocalyptic number.

74199398 is a deficient number, since it is larger than the sum of its proper divisors (63277018).

74199398 is a wasteful number, since it uses less digits than its factorization.

74199398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1488.

The product of its digits is 489888, while the sum is 50.

The square root of 74199398 is about 8613.9072435220. The cubic root of 74199398 is about 420.2103972303.

The spelling of 74199398 in words is "seventy-four million, one hundred ninety-nine thousand, three hundred ninety-eight".