82707942 has 16 divisors (see below), whose sum is σ = 171120240. Its totient is φ = 26618592.

The previous prime is 82707917. The next prime is 82707959. The reversal of 82707942 is 24970728.

It is a self number, because there is not a number n which added to its sum of digits gives 82707942.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 237493 + ... + 237840.

It is an arithmetic number, because the mean of its divisors is an integer number (10695015).

Almost surely, 2^82707942 is an apocalyptic number.

82707942 is an abundant number, since it is smaller than the sum of its proper divisors (88412298).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82707942 is a wasteful number, since it uses less digits than its factorization.

82707942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475367.

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

The square root of 82707942 is about 9094.3906887707. The cubic root of 82707942 is about 435.6948282528.

The spelling of 82707942 in words is "eighty-two million, seven hundred seven thousand, nine hundred forty-two".