72068862 has 32 divisors (see below), whose sum is σ = 156625920. Its totient is φ = 22023360.

The previous prime is 72068861. The next prime is 72068869. The reversal of 72068862 is 26886027.

It is a self number, because there is not a number n which added to its sum of digits gives 72068862.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72068861) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 6663 + ... + 13730.

It is an arithmetic number, because the mean of its divisors is an integer number (4894560).

Almost surely, 2^72068862 is an apocalyptic number.

72068862 is an abundant number, since it is smaller than the sum of its proper divisors (84557058).

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

72068862 is a wasteful number, since it uses less digits than its factorization.

72068862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20448.

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 72068862 is about 8489.3381367454. The cubic root of 72068862 is about 416.1493508059.

The spelling of 72068862 in words is "seventy-two million, sixty-eight thousand, eight hundred sixty-two".