76947473 has 8 divisors (see below), whose sum is σ = 81085920. Its totient is φ = 72817920.

The previous prime is 76947449. The next prime is 76947499. The reversal of 76947473 is 37474967.

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 76947473 - 2¹⁰ = 76946449 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (76947373) 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, 22961 + ... + 26097.

It is an arithmetic number, because the mean of its divisors is an integer number (10135740).

Almost surely, 2^76947473 is an apocalyptic number.

It is an amenable number.

76947473 is a deficient number, since it is larger than the sum of its proper divisors (4138447).

76947473 is a wasteful number, since it uses less digits than its factorization.

76947473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4447.

The product of its digits is 889056, while the sum is 47.

The square root of 76947473 is about 8771.9708731847. The cubic root of 76947473 is about 425.3353256694.

The spelling of 76947473 in words is "seventy-six million, nine hundred forty-seven thousand, four hundred seventy-three".