82737381 has 16 divisors (see below), whose sum is σ = 116605440. Its totient is φ = 52038000.

The previous prime is 82737349. The next prime is 82737383. The reversal of 82737381 is 18373728.

It is not a de Polignac number, because 82737381 - 2⁵ = 82737349 is a prime.

It is a super-2 number, since 2×82737381² = 13690948429478322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82737383) 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, 11416 + ... + 17198.

It is an arithmetic number, because the mean of its divisors is an integer number (7287840).

Almost surely, 2^82737381 is an apocalyptic number.

It is an amenable number.

82737381 is a deficient number, since it is larger than the sum of its proper divisors (33868059).

82737381 is a wasteful number, since it uses less digits than its factorization.

82737381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6056.

The product of its digits is 56448, while the sum is 39.

The square root of 82737381 is about 9096.0090699163. The cubic root of 82737381 is about 435.7465157459.

The spelling of 82737381 in words is "eighty-two million, seven hundred thirty-seven thousand, three hundred eighty-one".