71922701 has 2 divisors, whose sum is σ = 71922702. Its totient is φ = 71922700.

The previous prime is 71922667. The next prime is 71922707. The reversal of 71922701 is 10722917.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53655625 + 18267076 = 7325^2 + 4274^2 .

It is a cyclic number.

It is not a de Polignac number, because 71922701 - 2⁶ = 71922637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71922707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35961350 + 35961351.

It is an arithmetic number, because the mean of its divisors is an integer number (35961351).

Almost surely, 2^71922701 is an apocalyptic number.

It is an amenable number.

71922701 is a deficient number, since it is larger than the sum of its proper divisors (1).

71922701 is an equidigital number, since it uses as much as digits as its factorization.

71922701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1764, while the sum is 29.

The square root of 71922701 is about 8480.7252637967. The cubic root of 71922701 is about 415.8678331526.

The spelling of 71922701 in words is "seventy-one million, nine hundred twenty-two thousand, seven hundred one".