82737913 has 4 divisors (see below), whose sum is σ = 87092560. Its totient is φ = 78383268.

The previous prime is 82737911. The next prime is 82737971. The reversal of 82737913 is 31973728.

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 82737913 - 2¹ = 82737911 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82737911) 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, 2177295 + ... + 2177332.

It is an arithmetic number, because the mean of its divisors is an integer number (21773140).

Almost surely, 2^82737913 is an apocalyptic number.

It is an amenable number.

82737913 is a deficient number, since it is larger than the sum of its proper divisors (4354647).

82737913 is a wasteful number, since it uses less digits than its factorization.

82737913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4354646.

The product of its digits is 63504, while the sum is 40.

The square root of 82737913 is about 9096.0383134637. The cubic root of 82737913 is about 435.7474496916.

The spelling of 82737913 in words is "eighty-two million, seven hundred thirty-seven thousand, nine hundred thirteen".