71672422 has 16 divisors (see below), whose sum is σ = 109431792. Its totient is φ = 35199360.

The previous prime is 71672413. The next prime is 71672449. The reversal of 71672422 is 22427617.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 40153 + ... + 41899.

It is an arithmetic number, because the mean of its divisors is an integer number (6839487).

Almost surely, 2^71672422 is an apocalyptic number.

71672422 is a deficient number, since it is larger than the sum of its proper divisors (37759370).

71672422 is a wasteful number, since it uses less digits than its factorization.

71672422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2103.

The product of its digits is 9408, while the sum is 31.

The square root of 71672422 is about 8465.9566500189. The cubic root of 71672422 is about 415.3848889714.

The spelling of 71672422 in words is "seventy-one million, six hundred seventy-two thousand, four hundred twenty-two".