71490324065 has 8 divisors (see below), whose sum is σ = 90303567360. Its totient is φ = 54182140272.

The previous prime is 71490324049. The next prime is 71490324089. The reversal of 71490324065 is 56042309417.

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

It is a cyclic number.

It is not a de Polignac number, because 71490324065 - 2⁴ = 71490324049 is a prime.

It is a super-2 number, since 2×71490324065² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

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, 376264769 + ... + 376264958.

It is an arithmetic number, because the mean of its divisors is an integer number (11287945920).

Almost surely, 2^71490324065 is an apocalyptic number.

It is an amenable number.

71490324065 is a deficient number, since it is larger than the sum of its proper divisors (18813243295).

71490324065 is a wasteful number, since it uses less digits than its factorization.

71490324065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 752529751.

The product of its (nonzero) digits is 181440, while the sum is 41.

The spelling of 71490324065 in words is "seventy-one billion, four hundred ninety million, three hundred twenty-four thousand, sixty-five".