72759671 has 2 divisors, whose sum is σ = 72759672. Its totient is φ = 72759670.

The previous prime is 72759653. The next prime is 72759719. The reversal of 72759671 is 17695727.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72759671 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72758671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36379835 + 36379836.

It is an arithmetic number, because the mean of its divisors is an integer number (36379836).

Almost surely, 2^72759671 is an apocalyptic number.

72759671 is a deficient number, since it is larger than the sum of its proper divisors (1).

72759671 is an equidigital number, since it uses as much as digits as its factorization.

72759671 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 185220, while the sum is 44.

The square root of 72759671 is about 8529.9279598365. The cubic root of 72759671 is about 417.4747777800.

The spelling of 72759671 in words is "seventy-two million, seven hundred fifty-nine thousand, six hundred seventy-one".