82761473 has 8 divisors (see below), whose sum is σ = 87563520. Its totient is φ = 78004080.

The previous prime is 82761449. The next prime is 82761479. The reversal of 82761473 is 37416728.

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-82761473 is a prime.

It is a super-2 number, since 2×82761473² = 13698922826259458, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (82761479) 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, 7313 + ... + 14798.

It is an arithmetic number, because the mean of its divisors is an integer number (10945440).

Almost surely, 2^82761473 is an apocalyptic number.

It is an amenable number.

82761473 is a deficient number, since it is larger than the sum of its proper divisors (4802047).

82761473 is a wasteful number, since it uses less digits than its factorization.

82761473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22327.

The product of its digits is 56448, while the sum is 38.

The square root of 82761473 is about 9097.3332905858. Note that the first 3 decimals coincide. The cubic root of 82761473 is about 435.7888061276.

The spelling of 82761473 in words is "eighty-two million, seven hundred sixty-one thousand, four hundred seventy-three".