72434282 has 8 divisors (see below), whose sum is σ = 108822852. Its totient is φ = 36160000.

The previous prime is 72434281. The next prime is 72434293. The reversal of 72434282 is 28243427.

It can be written as a sum of positive squares in 2 ways, for example, as 72267001 + 167281 = 8501^2 + 409^2 .

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

It is not an unprimeable number, because it can be changed into a prime (72434281) 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, 26969 + ... + 29532.

Almost surely, 2^72434282 is an apocalyptic number.

72434282 is a deficient number, since it is larger than the sum of its proper divisors (36388570).

72434282 is a wasteful number, since it uses less digits than its factorization.

72434282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57144.

The product of its digits is 21504, while the sum is 32.

The square root of 72434282 is about 8510.8332142041. The cubic root of 72434282 is about 416.8515171983.

The spelling of 72434282 in words is "seventy-two million, four hundred thirty-four thousand, two hundred eighty-two".