72214567 has 8 divisors (see below), whose sum is σ = 73897920. Its totient is φ = 70543200.

The previous prime is 72214559. The next prime is 72214577. The reversal of 72214567 is 76541227.

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

It is a cyclic number.

It is not a de Polignac number, because 72214567 - 2³ = 72214559 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 (72214537) 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, 9817 + ... + 15517.

It is an arithmetic number, because the mean of its divisors is an integer number (9237240).

Almost surely, 2^72214567 is an apocalyptic number.

72214567 is a deficient number, since it is larger than the sum of its proper divisors (1683353).

72214567 is a wasteful number, since it uses less digits than its factorization.

72214567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5993.

The product of its digits is 23520, while the sum is 34.

The square root of 72214567 is about 8497.9154502737. The cubic root of 72214567 is about 416.4296115751.

The spelling of 72214567 in words is "seventy-two million, two hundred fourteen thousand, five hundred sixty-seven".