71180473 has 16 divisors (see below), whose sum is σ = 89049856. Its totient is φ = 55391040.

The previous prime is 71180449. The next prime is 71180521. The reversal of 71180473 is 37408117.

It is a cyclic number.

It is not a de Polignac number, because 71180473 - 2⁹ = 71179961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (71180273) 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, 861 + ... + 11962.

It is an arithmetic number, because the mean of its divisors is an integer number (5565616).

Almost surely, 2^71180473 is an apocalyptic number.

It is an amenable number.

71180473 is a deficient number, since it is larger than the sum of its proper divisors (17869383).

71180473 is a wasteful number, since it uses less digits than its factorization.

71180473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12904.

The product of its (nonzero) digits is 4704, while the sum is 31.

The square root of 71180473 is about 8436.8520788266. The cubic root of 71180473 is about 414.4323258854.

The spelling of 71180473 in words is "seventy-one million, one hundred eighty thousand, four hundred seventy-three".