74118890 has 8 divisors (see below), whose sum is σ = 133414020. Its totient is φ = 29647552.

The previous prime is 74118841. The next prime is 74118899. The reversal of 74118890 is 9881147.

It can be written as a sum of positive squares in 2 ways, for example, as 70946929 + 3171961 = 8423^2 + 1781^2 .

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

It is not an unprimeable number, because it can be changed into a prime (74118899) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3705935 + ... + 3705954.

Almost surely, 2^74118890 is an apocalyptic number.

74118890 is a deficient number, since it is larger than the sum of its proper divisors (59295130).

74118890 is a wasteful number, since it uses less digits than its factorization.

74118890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7411896.

The product of its (nonzero) digits is 16128, while the sum is 38.

The square root of 74118890 is about 8609.2328345794. The cubic root of 74118890 is about 420.0583630158.

The spelling of 74118890 in words is "seventy-four million, one hundred eighteen thousand, eight hundred ninety".