72734826 has 16 divisors (see below), whose sum is σ = 147312000. Its totient is φ = 23937888.

The previous prime is 72734821. The next prime is 72734833. The reversal of 72734826 is 62843727.

It is not an unprimeable number, because it can be changed into a prime (72734821) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 76251 + ... + 77198.

It is an arithmetic number, because the mean of its divisors is an integer number (9207000).

Almost surely, 2^72734826 is an apocalyptic number.

72734826 is an abundant number, since it is smaller than the sum of its proper divisors (74577174).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72734826 is a wasteful number, since it uses less digits than its factorization.

72734826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153533.

The product of its digits is 112896, while the sum is 39.

The square root of 72734826 is about 8528.4714925947. The cubic root of 72734826 is about 417.4272544679.

It can be divided in two parts, 727 and 34826, that added together give a palindrome (35553).

The spelling of 72734826 in words is "seventy-two million, seven hundred thirty-four thousand, eight hundred twenty-six".