72448487 has 2 divisors, whose sum is σ = 72448488. Its totient is φ = 72448486.

The previous prime is 72448429. The next prime is 72448499. The reversal of 72448487 is 78484427.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 72448487 - 2⁶ = 72448423 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 (72448417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36224243 + 36224244.

It is an arithmetic number, because the mean of its divisors is an integer number (36224244).

Almost surely, 2^72448487 is an apocalyptic number.

72448487 is a deficient number, since it is larger than the sum of its proper divisors (1).

72448487 is an equidigital number, since it uses as much as digits as its factorization.

72448487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 401408, while the sum is 44.

The square root of 72448487 is about 8511.6676979309. The cubic root of 72448487 is about 416.8787648339.

The spelling of 72448487 in words is "seventy-two million, four hundred forty-eight thousand, four hundred eighty-seven".