99618074 has 8 divisors (see below), whose sum is σ = 154579860. Its totient is φ = 48091456.

The previous prime is 99618067. The next prime is 99618089. The reversal of 99618074 is 47081699.

It can be written as a sum of positive squares in 2 ways, for example, as 92987449 + 6630625 = 9643^2 + 2575^2 .

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

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, 858719 + ... + 858834.

Almost surely, 2^99618074 is an apocalyptic number.

99618074 is a deficient number, since it is larger than the sum of its proper divisors (54961786).

99618074 is a wasteful number, since it uses less digits than its factorization.

99618074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1717584.

The product of its (nonzero) digits is 108864, while the sum is 44.

The square root of 99618074 is about 9980.8854316639. The cubic root of 99618074 is about 463.5672149900.

Subtracting from 99618074 its reverse (47081699), we obtain a triangular number (52536375 = T₁₀₂₅₀).

The spelling of 99618074 in words is "ninety-nine million, six hundred eighteen thousand, seventy-four".