90973582 has 8 divisors (see below), whose sum is σ = 155954736. Its totient is φ = 38988672.

The previous prime is 90973573. The next prime is 90973583. The reversal of 90973582 is 28537909.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90973583) 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, 3249043 + ... + 3249070.

It is an arithmetic number, because the mean of its divisors is an integer number (19494342).

Almost surely, 2^90973582 is an apocalyptic number.

90973582 is a deficient number, since it is larger than the sum of its proper divisors (64981154).

90973582 is a wasteful number, since it uses less digits than its factorization.

90973582 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6498122.

The product of its (nonzero) digits is 136080, while the sum is 43.

The square root of 90973582 is about 9538.0072342183. The cubic root of 90973582 is about 449.7506140815.

The spelling of 90973582 in words is "ninety million, nine hundred seventy-three thousand, five hundred eighty-two".