72946267 has 2 divisors, whose sum is σ = 72946268. Its totient is φ = 72946266.

The previous prime is 72946217. The next prime is 72946273. The reversal of 72946267 is 76264927.

It is a strong prime.

It is an emirp because it is prime and its reverse (76264927) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 72946267 - 2¹⁵ = 72913499 is a prime.

It is not a weakly prime, because it can be changed into another prime (72946207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36473133 + 36473134.

It is an arithmetic number, because the mean of its divisors is an integer number (36473134).

Almost surely, 2^72946267 is an apocalyptic number.

72946267 is a deficient number, since it is larger than the sum of its proper divisors (1).

72946267 is an equidigital number, since it uses as much as digits as its factorization.

72946267 is an evil number, because the sum of its binary digits is even.

The product of its digits is 254016, while the sum is 43.

The square root of 72946267 is about 8540.8586804841. The cubic root of 72946267 is about 417.8313518049.

The spelling of 72946267 in words is "seventy-two million, nine hundred forty-six thousand, two hundred sixty-seven".