90347602 has 4 divisors (see below), whose sum is σ = 135521406. Its totient is φ = 45173800.

The previous prime is 90347591. The next prime is 90347623. The reversal of 90347602 is 20674309.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 52142841 + 38204761 = 7221^2 + 6181^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22586899 + ... + 22586902.

Almost surely, 2^90347602 is an apocalyptic number.

90347602 is a deficient number, since it is larger than the sum of its proper divisors (45173804).

90347602 is a wasteful number, since it uses less digits than its factorization.

90347602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45173803.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 90347602 is about 9505.1355592648. The cubic root of 90347602 is about 448.7166761670.

The spelling of 90347602 in words is "ninety million, three hundred forty-seven thousand, six hundred two".