71473863 has 16 divisors (see below), whose sum is σ = 96661760. Its totient is φ = 46972224.

The previous prime is 71473847. The next prime is 71473867. The reversal of 71473863 is 36837417.

It is not a de Polignac number, because 71473863 - 2⁴ = 71473847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71473867) 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, 96348 + ... + 97086.

It is an arithmetic number, because the mean of its divisors is an integer number (6041360).

Almost surely, 2^71473863 is an apocalyptic number.

71473863 is a deficient number, since it is larger than the sum of its proper divisors (25187897).

71473863 is a wasteful number, since it uses less digits than its factorization.

71473863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1158.

The product of its digits is 84672, while the sum is 39.

The square root of 71473863 is about 8454.2216081671. The cubic root of 71473863 is about 415.0009444987. Note that the first 3 decimals are identical.

The spelling of 71473863 in words is "seventy-one million, four hundred seventy-three thousand, eight hundred sixty-three".