72294334 has 16 divisors (see below), whose sum is σ = 124121088. Its totient is φ = 30936312.

The previous prime is 72294329. The next prime is 72294347. The reversal of 72294334 is 43349227.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 72294334.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6627 + ... + 13729.

It is an arithmetic number, because the mean of its divisors is an integer number (7757568).

Almost surely, 2^72294334 is an apocalyptic number.

72294334 is a deficient number, since it is larger than the sum of its proper divisors (51826754).

72294334 is a wasteful number, since it uses less digits than its factorization.

72294334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7839.

The product of its digits is 36288, while the sum is 34.

The square root of 72294334 is about 8502.6074824139. The cubic root of 72294334 is about 416.5828822113.

Subtracting from 72294334 its sum of digits (34), we obtain a triangular number (72294300 = T₁₂₀₂₄).

The spelling of 72294334 in words is "seventy-two million, two hundred ninety-four thousand, three hundred thirty-four".