40082739 has 4 divisors (see below), whose sum is σ = 53443656. Its totient is φ = 26721824.

The previous prime is 40082717. The next prime is 40082741. The reversal of 40082739 is 93728004.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40082739 - 2¹³ = 40074547 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40082239) 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, 6680454 + ... + 6680459.

It is an arithmetic number, because the mean of its divisors is an integer number (13360914).

Almost surely, 2^40082739 is an apocalyptic number.

40082739 is a deficient number, since it is larger than the sum of its proper divisors (13360917).

40082739 is a wasteful number, since it uses less digits than its factorization.

40082739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13360916.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 40082739 is about 6331.0930335922. The cubic root of 40082739 is about 342.2308297709.

The spelling of 40082739 in words is "forty million, eighty-two thousand, seven hundred thirty-nine".