71504426007 has 48 divisors (see below), whose sum is σ = 119325693760. Its totient is φ = 40414795776.

The previous prime is 71504425999. The next prime is 71504426011. The reversal of 71504426007 is 70062440517.

71504426007 is a `hidden beast` number, since 7 + 1 + 5 + 0 + 4 + 42 + 600 + 7 = 666.

It is not a de Polignac number, because 71504426007 - 2³ = 71504425999 is a prime.

It is a super-2 number, since 2×71504426007² (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 (71504426107) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 20610669 + ... + 20614137.

Almost surely, 2^71504426007 is an apocalyptic number.

71504426007 is a deficient number, since it is larger than the sum of its proper divisors (47821267753).

71504426007 is a wasteful number, since it uses less digits than its factorization.

71504426007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6952 (or 6949 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The spelling of 71504426007 in words is "seventy-one billion, five hundred four million, four hundred twenty-six thousand, seven".