74213698 has 32 divisors (see below), whose sum is σ = 123710832. Its totient is φ = 33177600.

The previous prime is 74213693. The next prime is 74213701. The reversal of 74213698 is 89631247.

It can be written as a sum of positive squares in 8 ways, for example, as 20675209 + 53538489 = 4547^2 + 7317^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 74213698.

It is not an unprimeable number, because it can be changed into a prime (74213693) 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 15 ways as a sum of consecutive naturals, for example, 115458 + ... + 116098.

Almost surely, 2^74213698 is an apocalyptic number.

74213698 is a deficient number, since it is larger than the sum of its proper divisors (49497134).

74213698 is a wasteful number, since it uses less digits than its factorization.

74213698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 790.

The product of its digits is 72576, while the sum is 40.

The square root of 74213698 is about 8614.7372565854. The cubic root of 74213698 is about 420.2373903635.

The spelling of 74213698 in words is "seventy-four million, two hundred thirteen thousand, six hundred ninety-eight".