32070090 has 32 divisors (see below), whose sum is σ = 82889856. Its totient is φ = 7894080.

The previous prime is 32070053. The next prime is 32070113. The reversal of 32070090 is 9007023.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40726 + ... + 41505.

It is an arithmetic number, because the mean of its divisors is an integer number (2590308).

Almost surely, 2^32070090 is an apocalyptic number.

32070090 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

32070090 is an abundant number, since it is smaller than the sum of its proper divisors (50819766).

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

32070090 is a wasteful number, since it uses less digits than its factorization.

32070090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82254.

The product of its (nonzero) digits is 378, while the sum is 21.

The square root of 32070090 is about 5663.0460001663. The cubic root of 32070090 is about 317.7118349902.

The spelling of 32070090 in words is "thirty-two million, seventy thousand, ninety".