71493000233 has 8 divisors (see below), whose sum is σ = 73242894816. Its totient is φ = 69743399200.

The previous prime is 71493000211. The next prime is 71493000269. The reversal of 71493000233 is 33200039417.

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-71493000233 is a prime.

It is a super-2 number, since 2×71493000233² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 71493000233.

It is not an unprimeable number, because it can be changed into a prime (71493000283) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 467918 + ... + 601608.

It is an arithmetic number, because the mean of its divisors is an integer number (9155361852).

Almost surely, 2^71493000233 is an apocalyptic number.

It is an amenable number.

71493000233 is a deficient number, since it is larger than the sum of its proper divisors (1749894583).

71493000233 is a wasteful number, since it uses less digits than its factorization.

71493000233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146775.

The product of its (nonzero) digits is 13608, while the sum is 32.

The spelling of 71493000233 in words is "seventy-one billion, four hundred ninety-three million, two hundred thirty-three", and thus it is an aban number.