90345074 has 8 divisors (see below), whose sum is σ = 135566508. Its totient is φ = 45156240.

The previous prime is 90345071. The next prime is 90345091. The reversal of 90345074 is 47054309.

It can be written as a sum of positive squares in 2 ways, for example, as 90345025 + 49 = 9505^2 + 7^2 .

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 a self number, because there is not a number n which added to its sum of digits gives 90345074.

It is not an unprimeable number, because it can be changed into a prime (90345071) 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, 704 + ... + 13460.

Almost surely, 2^90345074 is an apocalyptic number.

90345074 is a deficient number, since it is larger than the sum of its proper divisors (45221434).

90345074 is a wasteful number, since it uses less digits than its factorization.

90345074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16300.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 90345074 is about 9505.0025775904. The cubic root of 90345074 is about 448.7124909744.

The spelling of 90345074 in words is "ninety million, three hundred forty-five thousand, seventy-four".