71751452945 has 8 divisors (see below), whose sum is σ = 86182748736. Its totient is φ = 57347158896.

The previous prime is 71751452933. The next prime is 71751453023. The reversal of 71751452945 is 54925415717.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-71751452945 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 71751452893 and 71751452902.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6744587 + ... + 6755216.

It is an arithmetic number, because the mean of its divisors is an integer number (10772843592).

Almost surely, 2^71751452945 is an apocalyptic number.

It is an amenable number.

71751452945 is a deficient number, since it is larger than the sum of its proper divisors (14431295791).

71751452945 is a wasteful number, since it uses less digits than its factorization.

71751452945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13500871.

The product of its digits is 1764000, while the sum is 50.

The spelling of 71751452945 in words is "seventy-one billion, seven hundred fifty-one million, four hundred fifty-two thousand, nine hundred forty-five".