90470370 has 32 divisors (see below), whose sum is σ = 217769472. Its totient is φ = 24054272.

The previous prime is 90470363. The next prime is 90470371. The reversal of 90470370 is 7307409.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (90470371) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6319 + ... + 14861.

It is an arithmetic number, because the mean of its divisors is an integer number (6805296).

Almost surely, 2^90470370 is an apocalyptic number.

90470370 is an abundant number, since it is smaller than the sum of its proper divisors (127299102).

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

90470370 is a wasteful number, since it uses less digits than its factorization.

90470370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8906.

The product of its (nonzero) digits is 5292, while the sum is 30.

The square root of 90470370 is about 9511.5913495061. The cubic root of 90470370 is about 448.9198290068.

Adding to 90470370 its reverse (7307409), we get a palindrome (97777779).

The spelling of 90470370 in words is "ninety million, four hundred seventy thousand, three hundred seventy".