32974147 has 4 divisors (see below), whose sum is σ = 33195600. Its totient is φ = 32752696.

The previous prime is 32974133. The next prime is 32974159. The reversal of 32974147 is 74147923.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74147923 = 4933 ⋅15031.

It is a cyclic number.

It is not a de Polignac number, because 32974147 - 2¹⁵ = 32941379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32974187) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110503 + ... + 110800.

It is an arithmetic number, because the mean of its divisors is an integer number (8298900).

Almost surely, 2^32974147 is an apocalyptic number.

32974147 is a deficient number, since it is larger than the sum of its proper divisors (221453).

32974147 is a wasteful number, since it uses less digits than its factorization.

32974147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221452.

The product of its digits is 42336, while the sum is 37.

The square root of 32974147 is about 5742.3119908274. The cubic root of 32974147 is about 320.6696491112.

The spelling of 32974147 in words is "thirty-two million, nine hundred seventy-four thousand, one hundred forty-seven".