72408727 has 2 divisors, whose sum is σ = 72408728. Its totient is φ = 72408726.

The previous prime is 72408703. The next prime is 72408757. The reversal of 72408727 is 72780427.

It is a weak prime.

It is an emirp because it is prime and its reverse (72780427) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 72408727 - 2¹¹ = 72406679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72408757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36204363 + 36204364.

It is an arithmetic number, because the mean of its divisors is an integer number (36204364).

Almost surely, 2^72408727 is an apocalyptic number.

72408727 is a deficient number, since it is larger than the sum of its proper divisors (1).

72408727 is an equidigital number, since it uses as much as digits as its factorization.

72408727 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43904, while the sum is 37.

The square root of 72408727 is about 8509.3317598975. The cubic root of 72408727 is about 416.8024893383.

The spelling of 72408727 in words is "seventy-two million, four hundred eight thousand, seven hundred twenty-seven".