72476093 has 2 divisors, whose sum is σ = 72476094. Its totient is φ = 72476092.

The previous prime is 72476057. The next prime is 72476099. The reversal of 72476093 is 39067427.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 69189124 + 3286969 = 8318^2 + 1813^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72476093 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 (72476099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36238046 + 36238047.

It is an arithmetic number, because the mean of its divisors is an integer number (36238047).

Almost surely, 2^72476093 is an apocalyptic number.

It is an amenable number.

72476093 is a deficient number, since it is larger than the sum of its proper divisors (1).

72476093 is an equidigital number, since it uses as much as digits as its factorization.

72476093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 63504, while the sum is 38.

The square root of 72476093 is about 8513.2891998334. The cubic root of 72476093 is about 416.9317077098.

The spelling of 72476093 in words is "seventy-two million, four hundred seventy-six thousand, ninety-three".