32278972 has 48 divisors (see below), whose sum is σ = 65409120. Its totient is φ = 13798400.

The previous prime is 32278969. The next prime is 32278999. The reversal of 32278972 is 27987223.

It is a congruent number.

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, 52008 + ... + 52624.

It is an arithmetic number, because the mean of its divisors is an integer number (1362690).

Almost surely, 2^32278972 is an apocalyptic number.

It is an amenable number.

32278972 is an abundant number, since it is smaller than the sum of its proper divisors (33130148).

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

32278972 is a wasteful number, since it uses less digits than its factorization.

32278972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 702 (or 700 counting only the distinct ones).

The product of its digits is 84672, while the sum is 40.

The square root of 32278972 is about 5681.4586155318. The cubic root of 32278972 is about 318.4001265750.

The spelling of 32278972 in words is "thirty-two million, two hundred seventy-eight thousand, nine hundred seventy-two".