72667303 has 2 divisors, whose sum is σ = 72667304. Its totient is φ = 72667302.

The previous prime is 72667289. The next prime is 72667307. The reversal of 72667303 is 30376627.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72667303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72667307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36333651 + 36333652.

It is an arithmetic number, because the mean of its divisors is an integer number (36333652).

Almost surely, 2^72667303 is an apocalyptic number.

72667303 is a deficient number, since it is larger than the sum of its proper divisors (1).

72667303 is an equidigital number, since it uses as much as digits as its factorization.

72667303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31752, while the sum is 34.

The square root of 72667303 is about 8524.5118921848. The cubic root of 72667303 is about 417.2980423300.

The spelling of 72667303 in words is "seventy-two million, six hundred sixty-seven thousand, three hundred three".