90791030 has 64 divisors (see below), whose sum is σ = 184246272. Its totient is φ = 31933440.

The previous prime is 90790993. The next prime is 90791039. The reversal of 90791030 is 3019709.

It is a super-2 number, since 2×90791030² = 16486022256921800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 90790984 and 90791002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90791039) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 714827 + ... + 714953.

It is an arithmetic number, because the mean of its divisors is an integer number (2878848).

Almost surely, 2^90791030 is an apocalyptic number.

90791030 is an abundant number, since it is smaller than the sum of its proper divisors (93455242).

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

90791030 is a wasteful number, since it uses less digits than its factorization.

90791030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309.

The product of its (nonzero) digits is 1701, while the sum is 29.

The square root of 90791030 is about 9528.4327147753. The cubic root of 90791030 is about 449.4495821746.

The spelling of 90791030 in words is "ninety million, seven hundred ninety-one thousand, thirty".