74561698 has 8 divisors (see below), whose sum is σ = 114570540. Its totient is φ = 36371520.

The previous prime is 74561647. The next prime is 74561717. The reversal of 74561698 is 89616547.

It can be written as a sum of positive squares in 2 ways, for example, as 69006249 + 5555449 = 8307^2 + 2357^2 .

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

It is an alternating number because its digits alternate between odd and even.

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, 454563 + ... + 454726.

Almost surely, 2^74561698 is an apocalyptic number.

74561698 is a deficient number, since it is larger than the sum of its proper divisors (40008842).

74561698 is a wasteful number, since it uses less digits than its factorization.

74561698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 909332.

The product of its digits is 362880, while the sum is 46.

The square root of 74561698 is about 8634.9115803232. The cubic root of 74561698 is about 420.8932199670.

The spelling of 74561698 in words is "seventy-four million, five hundred sixty-one thousand, six hundred ninety-eight".