70722983 has 2 divisors, whose sum is σ = 70722984. Its totient is φ = 70722982.

The previous prime is 70722979. The next prime is 70723007. The reversal of 70722983 is 38922707.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 70722983 - 2² = 70722979 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70722943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35361491 + 35361492.

It is an arithmetic number, because the mean of its divisors is an integer number (35361492).

Almost surely, 2^70722983 is an apocalyptic number.

70722983 is a deficient number, since it is larger than the sum of its proper divisors (1).

70722983 is an equidigital number, since it uses as much as digits as its factorization.

70722983 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 70722983 is about 8409.6957733321. The cubic root of 70722983 is about 413.5425392697.

The spelling of 70722983 in words is "seventy million, seven hundred twenty-two thousand, nine hundred eighty-three".