32120464 has 30 divisors (see below), whose sum is σ = 64336470. Its totient is φ = 15534720.

The previous prime is 32120449. The next prime is 32120479. The reversal of 32120464 is 46402123.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (32120449) and next prime (32120479).

It can be written as a sum of positive squares in only one way, i.e., 31136400 + 984064 = 5580^2 + 992^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14332 + ... + 16420.

It is an arithmetic number, because the mean of its divisors is an integer number (2144549).

Almost surely, 2^32120464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32120464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32168235).

32120464 is an abundant number, since it is smaller than the sum of its proper divisors (32216006).

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

32120464 is a wasteful number, since it uses less digits than its factorization.

32120464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2159 (or 2122 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 32120464 is about 5667.4918614851. The cubic root of 32120464 is about 317.8780962807.

Adding to 32120464 its reverse (46402123), we get a palindrome (78522587).

The spelling of 32120464 in words is "thirty-two million, one hundred twenty thousand, four hundred sixty-four".