72349834 has 16 divisors (see below), whose sum is σ = 114523200. Its totient is φ = 34185024.

The previous prime is 72349819. The next prime is 72349889. The reversal of 72349834 is 43894327.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14514 + ... + 18850.

It is an arithmetic number, because the mean of its divisors is an integer number (7157700).

Almost surely, 2^72349834 is an apocalyptic number.

72349834 is a deficient number, since it is larger than the sum of its proper divisors (42173366).

72349834 is a wasteful number, since it uses less digits than its factorization.

72349834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4797.

The product of its digits is 145152, while the sum is 40.

The square root of 72349834 is about 8505.8705609714. The cubic root of 72349834 is about 416.6894578111.

The spelling of 72349834 in words is "seventy-two million, three hundred forty-nine thousand, eight hundred thirty-four".