90813470 has 16 divisors (see below), whose sum is σ = 178324848. Its totient is φ = 33023040.

The previous prime is 90813469. The next prime is 90813479. The reversal of 90813470 is 7431809.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90813479) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 412679 + ... + 412898.

It is an arithmetic number, because the mean of its divisors is an integer number (11145303).

Almost surely, 2^90813470 is an apocalyptic number.

90813470 is a deficient number, since it is larger than the sum of its proper divisors (87511378).

90813470 is a wasteful number, since it uses less digits than its factorization.

90813470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 825595.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 90813470 is about 9529.6101704110. The cubic root of 90813470 is about 449.4866079241.

The spelling of 90813470 in words is "ninety million, eight hundred thirteen thousand, four hundred seventy".