90631010 has 16 divisors (see below), whose sum is σ = 164422656. Its totient is φ = 35966448.

The previous prime is 90631001. The next prime is 90631027. The reversal of 90631010 is 1013609.

It is a super-3 number, since 3×90631010³ (a number of 25 digits) contains 333 as substring.

It is a Curzon number.

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, 34412 + ... + 36951.

It is an arithmetic number, because the mean of its divisors is an integer number (10276416).

Almost surely, 2^90631010 is an apocalyptic number.

90631010 is a deficient number, since it is larger than the sum of its proper divisors (73791646).

90631010 is a wasteful number, since it uses less digits than its factorization.

90631010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71497.

The product of its (nonzero) digits is 162, while the sum is 20.

The square root of 90631010 is about 9520.0320377612. The cubic root of 90631010 is about 449.1853739251.

Adding to 90631010 its reverse (1013609), we get a palindrome (91644619).

The spelling of 90631010 in words is "ninety million, six hundred thirty-one thousand, ten".