72240674 has 16 divisors (see below), whose sum is σ = 119262240. Its totient is φ = 32544960.

The previous prime is 72240671. The next prime is 72240691. The reversal of 72240674 is 47604227.

It is a self number, because there is not a number n which added to its sum of digits gives 72240674.

It is not an unprimeable number, because it can be changed into a prime (72240671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12044 + ... + 17015.

It is an arithmetic number, because the mean of its divisors is an integer number (7453890).

Almost surely, 2^72240674 is an apocalyptic number.

72240674 is a deficient number, since it is larger than the sum of its proper divisors (47021566).

72240674 is a wasteful number, since it uses less digits than its factorization.

72240674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29185.

The product of its (nonzero) digits is 18816, while the sum is 32.

The square root of 72240674 is about 8499.4513940607. The cubic root of 72240674 is about 416.4797880536.

The spelling of 72240674 in words is "seventy-two million, two hundred forty thousand, six hundred seventy-four".