72076673 has 2 divisors, whose sum is σ = 72076674. Its totient is φ = 72076672.

The previous prime is 72076663. The next prime is 72076727. The reversal of 72076673 is 37667027.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50239744 + 21836929 = 7088^2 + 4673^2 .

It is a cyclic number.

It is not a de Polignac number, because 72076673 - 2¹⁸ = 71814529 is a prime.

It is not a weakly prime, because it can be changed into another prime (72076663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36038336 + 36038337.

It is an arithmetic number, because the mean of its divisors is an integer number (36038337).

Almost surely, 2^72076673 is an apocalyptic number.

It is an amenable number.

72076673 is a deficient number, since it is larger than the sum of its proper divisors (1).

72076673 is an equidigital number, since it uses as much as digits as its factorization.

72076673 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 74088, while the sum is 38.

The square root of 72076673 is about 8489.7981719238. The cubic root of 72076673 is about 416.1643846918.

The spelling of 72076673 in words is "seventy-two million, seventy-six thousand, six hundred seventy-three".