90703172 has 24 divisors (see below), whose sum is σ = 182198016. Its totient is φ = 38703168.

The previous prime is 90703159. The next prime is 90703181. The reversal of 90703172 is 27130709.

It is a happy number.

It is a super-3 number, since 3×90703172³ (a number of 25 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 428 + ... + 13475.

It is an arithmetic number, because the mean of its divisors is an integer number (7591584).

Almost surely, 2^90703172 is an apocalyptic number.

It is an amenable number.

90703172 is an abundant number, since it is smaller than the sum of its proper divisors (91494844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90703172 is a wasteful number, since it uses less digits than its factorization.

90703172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14147 (or 14145 counting only the distinct ones).

The product of its (nonzero) digits is 2646, while the sum is 29.

The square root of 90703172 is about 9523.8212918975. The cubic root of 90703172 is about 449.3045587231.

The spelling of 90703172 in words is "ninety million, seven hundred three thousand, one hundred seventy-two".