90947522 has 8 divisors (see below), whose sum is σ = 136866576. Its totient is φ = 45325332.

The previous prime is 90947513. The next prime is 90947551. The reversal of 90947522 is 22574909.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73448 + ... + 74675.

It is an arithmetic number, because the mean of its divisors is an integer number (17108322).

Almost surely, 2^90947522 is an apocalyptic number.

90947522 is a deficient number, since it is larger than the sum of its proper divisors (45919054).

90947522 is a wasteful number, since it uses less digits than its factorization.

90947522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148432.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 90947522 is about 9536.6410229179. The cubic root of 90947522 is about 449.7076652750.

The spelling of 90947522 in words is "ninety million, nine hundred forty-seven thousand, five hundred twenty-two".