72024947 has 2 divisors, whose sum is σ = 72024948. Its totient is φ = 72024946.

The previous prime is 72024919. The next prime is 72024959. The reversal of 72024947 is 74942027.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 72024947 - 2⁸ = 72024691 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (72024047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36012473 + 36012474.

It is an arithmetic number, because the mean of its divisors is an integer number (36012474).

Almost surely, 2^72024947 is an apocalyptic number.

72024947 is a deficient number, since it is larger than the sum of its proper divisors (1).

72024947 is an equidigital number, since it uses as much as digits as its factorization.

72024947 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 72024947 is about 8486.7512629981. The cubic root of 72024947 is about 416.0648070724.

The spelling of 72024947 in words is "seventy-two million, twenty-four thousand, nine hundred forty-seven".