32973157 has 8 divisors (see below), whose sum is σ = 37843200. Its totient is φ = 28143024.

The previous prime is 32973139. The next prime is 32973169. The reversal of 32973157 is 75137923.

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

It is not a de Polignac number, because 32973157 - 2¹⁵ = 32940389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32973757) 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, 8182 + ... + 11527.

It is an arithmetic number, because the mean of its divisors is an integer number (4730400).

Almost surely, 2^32973157 is an apocalyptic number.

It is an amenable number.

32973157 is a deficient number, since it is larger than the sum of its proper divisors (4870043).

32973157 is a wasteful number, since it uses less digits than its factorization.

32973157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19955.

The product of its digits is 39690, while the sum is 37.

The square root of 32973157 is about 5742.2257879676. The cubic root of 32973157 is about 320.6664398685. Note that the first 3 decimals are identical.

The spelling of 32973157 in words is "thirty-two million, nine hundred seventy-three thousand, one hundred fifty-seven".