32530990 has 16 divisors (see below), whose sum is σ = 59359248. Its totient is φ = 12833856.

The previous prime is 32530973. The next prime is 32530991. The reversal of 32530990 is 9903523.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32530991) 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, 21552 + ... + 23011.

It is an arithmetic number, because the mean of its divisors is an integer number (3709953).

Almost surely, 2^32530990 is an apocalyptic number.

32530990 is a deficient number, since it is larger than the sum of its proper divisors (26828258).

32530990 is a wasteful number, since it uses less digits than its factorization.

32530990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44643.

The product of its (nonzero) digits is 7290, while the sum is 31.

The square root of 32530990 is about 5703.5944806762. The cubic root of 32530990 is about 319.2266154422.

The spelling of 32530990 in words is "thirty-two million, five hundred thirty thousand, nine hundred ninety".