82734881 has 4 divisors (see below), whose sum is σ = 84658992. Its totient is φ = 80810772.

The previous prime is 82734833. The next prime is 82734893. The reversal of 82734881 is 18843728.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 82734881 - 2¹⁰ = 82733857 is a prime.

It is a super-2 number, since 2×82734881² = 13690121068168322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82734811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 961991 + ... + 962076.

It is an arithmetic number, because the mean of its divisors is an integer number (21164748).

Almost surely, 2^82734881 is an apocalyptic number.

It is an amenable number.

82734881 is a deficient number, since it is larger than the sum of its proper divisors (1924111).

82734881 is a wasteful number, since it uses less digits than its factorization.

82734881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1924110.

The product of its digits is 86016, while the sum is 41.

The square root of 82734881 is about 9095.8716459721. The cubic root of 82734881 is about 435.7421268500.

The spelling of 82734881 in words is "eighty-two million, seven hundred thirty-four thousand, eight hundred eighty-one".