72672079 has 2 divisors, whose sum is σ = 72672080. Its totient is φ = 72672078.

The previous prime is 72672077. The next prime is 72672137. The reversal of 72672079 is 97027627.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72672079 - 2¹ = 72672077 is a prime.

Together with 72672077, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72672071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36336039 + 36336040.

It is an arithmetic number, because the mean of its divisors is an integer number (36336040).

Almost surely, 2^72672079 is an apocalyptic number.

72672079 is a deficient number, since it is larger than the sum of its proper divisors (1).

72672079 is an equidigital number, since it uses as much as digits as its factorization.

72672079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 74088, while the sum is 40.

The square root of 72672079 is about 8524.7920209234. The cubic root of 72672079 is about 417.3071843224.

The spelling of 72672079 in words is "seventy-two million, six hundred seventy-two thousand, seventy-nine".