72313034 has 8 divisors (see below), whose sum is σ = 109688580. Its totient is φ = 35750176.

The previous prime is 72313013. The next prime is 72313063. The reversal of 72313034 is 43031327.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 69672409 + 2640625 = 8347^2 + 1625^2 .

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

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 in 3 ways as a sum of consecutive naturals, for example, 202949 + ... + 203304.

Almost surely, 2^72313034 is an apocalyptic number.

72313034 is a deficient number, since it is larger than the sum of its proper divisors (37375546).

72313034 is a wasteful number, since it uses less digits than its factorization.

72313034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406344.

The product of its (nonzero) digits is 1512, while the sum is 23.

The square root of 72313034 is about 8503.7070739766. The cubic root of 72313034 is about 416.6187975585.

The spelling of 72313034 in words is "seventy-two million, three hundred thirteen thousand, thirty-four".