74618090 has 8 divisors (see below), whose sum is σ = 134312580. Its totient is φ = 29847232.

The previous prime is 74618069. The next prime is 74618099. The reversal of 74618090 is 9081647.

It can be written as a sum of positive squares in 2 ways, for example, as 74528689 + 89401 = 8633^2 + 299^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 74618090.

It is not an unprimeable number, because it can be changed into a prime (74618099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3730895 + ... + 3730914.

Almost surely, 2^74618090 is an apocalyptic number.

74618090 is a deficient number, since it is larger than the sum of its proper divisors (59694490).

74618090 is a wasteful number, since it uses less digits than its factorization.

74618090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7461816.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 74618090 is about 8638.1763121622. The cubic root of 74618090 is about 420.9993022671. Note that the first 3 decimals are identical.

It can be divided in two parts, 7461 and 8090, that added together give a palindrome (15551).

The spelling of 74618090 in words is "seventy-four million, six hundred eighteen thousand, ninety".