70722583 has 2 divisors, whose sum is σ = 70722584. Its totient is φ = 70722582.

The previous prime is 70722529. The next prime is 70722629. The reversal of 70722583 is 38522707.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70722583 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70722083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35361291 + 35361292.

It is an arithmetic number, because the mean of its divisors is an integer number (35361292).

Almost surely, 2^70722583 is an apocalyptic number.

70722583 is a deficient number, since it is larger than the sum of its proper divisors (1).

70722583 is an equidigital number, since it uses as much as digits as its factorization.

70722583 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 70722583 is about 8409.6719912253. The cubic root of 70722583 is about 413.5417596206.

The spelling of 70722583 in words is "seventy million, seven hundred twenty-two thousand, five hundred eighty-three".