71303491461 has 24 divisors (see below), whose sum is σ = 98468468224. Its totient is φ = 45886633920.

The previous prime is 71303491451. The next prime is 71303491529. The reversal of 71303491461 is 16419430317.

It is a happy number.

It is not a de Polignac number, because 71303491461 - 2⁶ = 71303491397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71303491451) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 410076 + ... + 557466.

Almost surely, 2^71303491461 is an apocalyptic number.

It is an amenable number.

71303491461 is a deficient number, since it is larger than the sum of its proper divisors (27164976763).

71303491461 is a wasteful number, since it uses less digits than its factorization.

71303491461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147561 (or 147514 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 39.

The spelling of 71303491461 in words is "seventy-one billion, three hundred three million, four hundred ninety-one thousand, four hundred sixty-one".