72914843 has 2 divisors, whose sum is σ = 72914844. Its totient is φ = 72914842.

The previous prime is 72914801. The next prime is 72914857. The reversal of 72914843 is 34841927.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 72914843 - 2²² = 68720539 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 72914797 and 72914806.

It is not a weakly prime, because it can be changed into another prime (72914143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36457421 + 36457422.

It is an arithmetic number, because the mean of its divisors is an integer number (36457422).

Almost surely, 2^72914843 is an apocalyptic number.

72914843 is a deficient number, since it is larger than the sum of its proper divisors (1).

72914843 is an equidigital number, since it uses as much as digits as its factorization.

72914843 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48384, while the sum is 38.

The square root of 72914843 is about 8539.0188546460. The cubic root of 72914843 is about 417.7713449954.

The spelling of 72914843 in words is "seventy-two million, nine hundred fourteen thousand, eight hundred forty-three".