32474139 has 4 divisors (see below), whose sum is σ = 43298856. Its totient is φ = 21649424.

The previous prime is 32474119. The next prime is 32474161. The reversal of 32474139 is 93147423.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32474139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (32474119) 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, 5412354 + ... + 5412359.

It is an arithmetic number, because the mean of its divisors is an integer number (10824714).

Almost surely, 2^32474139 is an apocalyptic number.

32474139 is a deficient number, since it is larger than the sum of its proper divisors (10824717).

32474139 is a wasteful number, since it uses less digits than its factorization.

32474139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10824716.

The product of its digits is 18144, while the sum is 33.

The square root of 32474139 is about 5698.6085143656. The cubic root of 32474139 is about 319.0405473824.

The spelling of 32474139 in words is "thirty-two million, four hundred seventy-four thousand, one hundred thirty-nine".