72329671 has 2 divisors, whose sum is σ = 72329672. Its totient is φ = 72329670.

The previous prime is 72329669. The next prime is 72329689. The reversal of 72329671 is 17692327.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72329671 - 2¹ = 72329669 is a prime.

Together with 72329669, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 72329671.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72329651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36164835 + 36164836.

It is an arithmetic number, because the mean of its divisors is an integer number (36164836).

Almost surely, 2^72329671 is an apocalyptic number.

72329671 is a deficient number, since it is larger than the sum of its proper divisors (1).

72329671 is an equidigital number, since it uses as much as digits as its factorization.

72329671 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31752, while the sum is 37.

The square root of 72329671 is about 8504.6852381496. The cubic root of 72329671 is about 416.6507454894.

The spelling of 72329671 in words is "seventy-two million, three hundred twenty-nine thousand, six hundred seventy-one".