90630674 has 4 divisors (see below), whose sum is σ = 135946014. Its totient is φ = 45315336.

The previous prime is 90630637. The next prime is 90630691. The reversal of 90630674 is 47603609.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 47603609 = 337 ⋅141257.

It can be written as a sum of positive squares in only one way, i.e., 51480625 + 39150049 = 7175^2 + 6257^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 22657667 + ... + 22657670.

Almost surely, 2^90630674 is an apocalyptic number.

90630674 is a deficient number, since it is larger than the sum of its proper divisors (45315340).

90630674 is a wasteful number, since it uses less digits than its factorization.

90630674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45315339.

The product of its (nonzero) digits is 27216, while the sum is 35.

The square root of 90630674 is about 9520.0143907454. The cubic root of 90630674 is about 449.1848188300.

The spelling of 90630674 in words is "ninety million, six hundred thirty thousand, six hundred seventy-four".