32474138 has 4 divisors (see below), whose sum is σ = 48711210. Its totient is φ = 16237068.

The previous prime is 32474119. The next prime is 32474161. The reversal of 32474138 is 83147423.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 83147423 = 43 ⋅1933661.

It can be written as a sum of positive squares in only one way, i.e., 20729809 + 11744329 = 4553^2 + 3427^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8118533 + ... + 8118536.

Almost surely, 2^32474138 is an apocalyptic number.

32474138 is a deficient number, since it is larger than the sum of its proper divisors (16237072).

32474138 is a wasteful number, since it uses less digits than its factorization.

32474138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16237071.

The product of its digits is 16128, while the sum is 32.

The square root of 32474138 is about 5698.6084266249. The cubic root of 32474138 is about 319.0405441076.

The spelling of 32474138 in words is "thirty-two million, four hundred seventy-four thousand, one hundred thirty-eight".