32742921 has 8 divisors (see below), whose sum is σ = 43727904. Its totient is φ = 21793280.

The previous prime is 32742917. The next prime is 32742929. The reversal of 32742921 is 12924723.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 32742921 - 2² = 32742917 is a prime.

It is a super-2 number, since 2×32742921² = 2144197751224482, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (32742929) 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, 6591 + ... + 10436.

It is an arithmetic number, because the mean of its divisors is an integer number (5465988).

Almost surely, 2^32742921 is an apocalyptic number.

It is an amenable number.

32742921 is a deficient number, since it is larger than the sum of its proper divisors (10984983).

32742921 is a wasteful number, since it uses less digits than its factorization.

32742921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17671.

The product of its digits is 6048, while the sum is 30.

The square root of 32742921 is about 5722.1430426021. The cubic root of 32742921 is about 319.9183417943.

The spelling of 32742921 in words is "thirty-two million, seven hundred forty-two thousand, nine hundred twenty-one".