72676427 has 2 divisors, whose sum is σ = 72676428. Its totient is φ = 72676426.

The previous prime is 72676423. The next prime is 72676459. The reversal of 72676427 is 72467627.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72676427 - 2² = 72676423 is a prime.

It is not a weakly prime, because it can be changed into another prime (72676423) 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 as a sum of consecutive naturals, namely, 36338213 + 36338214.

It is an arithmetic number, because the mean of its divisors is an integer number (36338214).

Almost surely, 2^72676427 is an apocalyptic number.

72676427 is a deficient number, since it is larger than the sum of its proper divisors (1).

72676427 is an equidigital number, since it uses as much as digits as its factorization.

72676427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 197568, while the sum is 41.

The square root of 72676427 is about 8525.0470379934. The cubic root of 72676427 is about 417.3155067092.

The spelling of 72676427 in words is "seventy-two million, six hundred seventy-six thousand, four hundred twenty-seven".