32064990 has 32 divisors (see below), whose sum is σ = 80303616. Its totient is φ = 8178720.

The previous prime is 32064983. The next prime is 32064997. The reversal of 32064990 is 9946023.

It is an interprime number because it is at equal distance from previous prime (32064983) and next prime (32064997).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32064997) 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, 22546 + ... + 23925.

It is an arithmetic number, because the mean of its divisors is an integer number (2509488).

Almost surely, 2^32064990 is an apocalyptic number.

32064990 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

32064990 is an abundant number, since it is smaller than the sum of its proper divisors (48238626).

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

32064990 is a wasteful number, since it uses less digits than its factorization.

32064990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46504.

The product of its (nonzero) digits is 11664, while the sum is 33.

The square root of 32064990 is about 5662.5956945556. The cubic root of 32064990 is about 317.6949925444.

The spelling of 32064990 in words is "thirty-two million, sixty-four thousand, nine hundred ninety".