72042527 has 2 divisors, whose sum is σ = 72042528. Its totient is φ = 72042526.

The previous prime is 72042521. The next prime is 72042541. The reversal of 72042527 is 72524027.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72042527 - 2⁴ = 72042511 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 72042527.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72042521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36021263 + 36021264.

It is an arithmetic number, because the mean of its divisors is an integer number (36021264).

Almost surely, 2^72042527 is an apocalyptic number.

72042527 is a deficient number, since it is larger than the sum of its proper divisors (1).

72042527 is an equidigital number, since it uses as much as digits as its factorization.

72042527 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7840, while the sum is 29.

The square root of 72042527 is about 8487.7869318215. The cubic root of 72042527 is about 416.0986556420.

The spelling of 72042527 in words is "seventy-two million, forty-two thousand, five hundred twenty-seven".