71922967 has 4 divisors (see below), whose sum is σ = 72129400. Its totient is φ = 71716536.

The previous prime is 71922953. The next prime is 71922973. The reversal of 71922967 is 76922917.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 71922967 - 2⁷ = 71922839 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71922997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102693 + ... + 103390.

It is an arithmetic number, because the mean of its divisors is an integer number (18032350).

Almost surely, 2^71922967 is an apocalyptic number.

71922967 is a deficient number, since it is larger than the sum of its proper divisors (206433).

71922967 is a wasteful number, since it uses less digits than its factorization.

71922967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206432.

The product of its digits is 95256, while the sum is 43.

The square root of 71922967 is about 8480.7409464032. The cubic root of 71922967 is about 415.8683458359.

The spelling of 71922967 in words is "seventy-one million, nine hundred twenty-two thousand, nine hundred sixty-seven".