32274990 has 64 divisors (see below), whose sum is σ = 93899520. Its totient is φ = 7823520.

The previous prime is 32274973. The next prime is 32274997. The reversal of 32274990 is 9947223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32274997) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2464 + ... + 8403.

It is an arithmetic number, because the mean of its divisors is an integer number (1467180).

Almost surely, 2^32274990 is an apocalyptic number.

32274990 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

32274990 is an abundant number, since it is smaller than the sum of its proper divisors (61624530).

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

32274990 is a wasteful number, since it uses less digits than its factorization.

32274990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10894 (or 10888 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 32274990 is about 5681.1081665464. The cubic root of 32274990 is about 318.3870332064.

The spelling of 32274990 in words is "thirty-two million, two hundred seventy-four thousand, nine hundred ninety".