74219998 has 8 divisors (see below), whose sum is σ = 111381408. Its totient is φ = 37092864.

The previous prime is 74219993. The next prime is 74220001. The reversal of 74219998 is 89991247.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74219993) 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 3 ways as a sum of consecutive naturals, for example, 2211 + ... + 12382.

It is an arithmetic number, because the mean of its divisors is an integer number (13922676).

Almost surely, 2^74219998 is an apocalyptic number.

74219998 is a deficient number, since it is larger than the sum of its proper divisors (37161410).

74219998 is a wasteful number, since it uses less digits than its factorization.

74219998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17138.

The product of its digits is 326592, while the sum is 49.

The square root of 74219998 is about 8615.1029013007. The cubic root of 74219998 is about 420.2492813428.

The spelling of 74219998 in words is "seventy-four million, two hundred nineteen thousand, nine hundred ninety-eight".