74530898 has 16 divisors (see below), whose sum is σ = 122372376. Its totient is φ = 33834240.

The previous prime is 74530889. The next prime is 74530909. The reversal of 74530898 is 89803547.

It can be written as a sum of positive squares in 4 ways, for example, as 10738729 + 63792169 = 3277^2 + 7987^2 .

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21911 + ... + 25082.

Almost surely, 2^74530898 is an apocalyptic number.

74530898 is a deficient number, since it is larger than the sum of its proper divisors (47841478).

74530898 is a wasteful number, since it uses less digits than its factorization.

74530898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47069.

The product of its (nonzero) digits is 241920, while the sum is 44.

The square root of 74530898 is about 8633.1279383547. The cubic root of 74530898 is about 420.8352576936.

The spelling of 74530898 in words is "seventy-four million, five hundred thirty thousand, eight hundred ninety-eight".