71298789004 has 48 divisors (see below), whose sum is σ = 139221706176. Its totient is φ = 31775744000.

The previous prime is 71298788993. The next prime is 71298789007. The reversal of 71298789004 is 40098789217.

It is a happy number.

It is a super-2 number, since 2×71298789004² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (71298789007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67717 + ... + 383644.

It is an arithmetic number, because the mean of its divisors is an integer number (2900452212).

Almost surely, 2^71298789004 is an apocalyptic number.

It is an amenable number.

71298789004 is a deficient number, since it is larger than the sum of its proper divisors (67922917172).

71298789004 is a wasteful number, since it uses less digits than its factorization.

71298789004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451506 (or 451504 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 55.

The spelling of 71298789004 in words is "seventy-one billion, two hundred ninety-eight million, seven hundred eighty-nine thousand, four".