74561116090 has 16 divisors (see below), whose sum is σ = 134222222088. Its totient is φ = 29821732416.

The previous prime is 74561116081. The next prime is 74561116117. The reversal of 74561116090 is 9061116547.

It can be written as a sum of positive squares in 4 ways, for example, as 46635698209 + 27925417881 = 215953^2 + 167109^2 .

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, 221937 + ... + 445396.

Almost surely, 2^74561116090 is an apocalyptic number.

74561116090 is a deficient number, since it is larger than the sum of its proper divisors (59661105998).

74561116090 is a wasteful number, since it uses less digits than its factorization.

74561116090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678513.

The product of its (nonzero) digits is 45360, while the sum is 40.

The spelling of 74561116090 in words is "seventy-four billion, five hundred sixty-one million, one hundred sixteen thousand, ninety".