72951283 has 2 divisors, whose sum is σ = 72951284. Its totient is φ = 72951282.

The previous prime is 72951257. The next prime is 72951287. The reversal of 72951283 is 38215927.

It is a strong prime.

It is an emirp because it is prime and its reverse (38215927) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 72951283 - 2⁵ = 72951251 is a prime.

It is not a weakly prime, because it can be changed into another prime (72951287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36475641 + 36475642.

It is an arithmetic number, because the mean of its divisors is an integer number (36475642).

Almost surely, 2^72951283 is an apocalyptic number.

72951283 is a deficient number, since it is larger than the sum of its proper divisors (1).

72951283 is an equidigital number, since it uses as much as digits as its factorization.

72951283 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30240, while the sum is 37.

The square root of 72951283 is about 8541.1523227255. The cubic root of 72951283 is about 417.8409286898.

The spelling of 72951283 in words is "seventy-two million, nine hundred fifty-one thousand, two hundred eighty-three".