72267679 has 8 divisors (see below), whose sum is σ = 82265472. Its totient is φ = 62841240.

The previous prime is 72267667. The next prime is 72267683. The reversal of 72267679 is 97676227.

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

It is not a de Polignac number, because 72267679 - 2¹⁷ = 72136607 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72264679) 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 7 ways as a sum of consecutive naturals, for example, 142569 + ... + 143074.

It is an arithmetic number, because the mean of its divisors is an integer number (10283184).

Almost surely, 2^72267679 is an apocalyptic number.

72267679 is a deficient number, since it is larger than the sum of its proper divisors (9997793).

72267679 is a wasteful number, since it uses less digits than its factorization.

72267679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285677.

The product of its digits is 444528, while the sum is 46.

The square root of 72267679 is about 8501.0398775679. The cubic root of 72267679 is about 416.5316777297.

The spelling of 72267679 in words is "seventy-two million, two hundred sixty-seven thousand, six hundred seventy-nine".