71738860022 has 4 divisors (see below), whose sum is σ = 107608290036. Its totient is φ = 35869430010.

The previous prime is 71738860021. The next prime is 71738860027. The reversal of 71738860022 is 22006883717.

It is a happy number.

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

It is a super-2 number, since 2×71738860022² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71738860021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17934715004 + ... + 17934715007.

It is an arithmetic number, because the mean of its divisors is an integer number (26902072509).

Almost surely, 2^71738860022 is an apocalyptic number.

71738860022 is a deficient number, since it is larger than the sum of its proper divisors (35869430014).

71738860022 is a wasteful number, since it uses less digits than its factorization.

71738860022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35869430013.

The product of its (nonzero) digits is 225792, while the sum is 44.

The spelling of 71738860022 in words is "seventy-one billion, seven hundred thirty-eight million, eight hundred sixty thousand, twenty-two".