72922567 has 4 divisors (see below), whose sum is σ = 73019656. Its totient is φ = 72825480.

The previous prime is 72922543. The next prime is 72922573. The reversal of 72922567 is 76522927.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 72922567 - 2⁷ = 72922439 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 (72922667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47409 + ... + 48922.

It is an arithmetic number, because the mean of its divisors is an integer number (18254914).

Almost surely, 2^72922567 is an apocalyptic number.

72922567 is a deficient number, since it is larger than the sum of its proper divisors (97089).

72922567 is an equidigital number, since it uses as much as digits as its factorization.

72922567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97088.

The product of its digits is 105840, while the sum is 40.

The square root of 72922567 is about 8539.4711194546. The cubic root of 72922567 is about 417.7860962303.

The spelling of 72922567 in words is "seventy-two million, nine hundred twenty-two thousand, five hundred sixty-seven".