72244734 has 16 divisors (see below), whose sum is σ = 147564288. Its totient is φ = 23569112.

The previous prime is 72244709. The next prime is 72244759. The reversal of 72244734 is 43744227.

It is an interprime number because it is at equal distance from previous prime (72244709) and next prime (72244759).

It is a junction number, because it is equal to n+sod(n) for n = 72244695 and 72244704.

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, 127812 + ... + 128375.

It is an arithmetic number, because the mean of its divisors is an integer number (9222768).

Almost surely, 2^72244734 is an apocalyptic number.

72244734 is an abundant number, since it is smaller than the sum of its proper divisors (75319554).

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

72244734 is a wasteful number, since it uses less digits than its factorization.

72244734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256239.

The product of its digits is 37632, while the sum is 33.

The square root of 72244734 is about 8499.6902296495. The cubic root of 72244734 is about 416.4875901046.

The spelling of 72244734 in words is "seventy-two million, two hundred forty-four thousand, seven hundred thirty-four".