7682940 has 36 divisors (see below), whose sum is σ = 23305464. Its totient is φ = 2048736.

The previous prime is 7682923. The next prime is 7682951. The reversal of 7682940 is 492867.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 7682895 and 7682904.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21162 + ... + 21521.

It is an arithmetic number, because the mean of its divisors is an integer number (647374).

Almost surely, 2^7682940 is an apocalyptic number.

It is an amenable number.

7682940 is an abundant number, since it is smaller than the sum of its proper divisors (15622524).

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

7682940 is a wasteful number, since it uses less digits than its factorization.

7682940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42698 (or 42693 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 7682940 is about 2771.8116819149. The cubic root of 7682940 is about 197.3221386495.

The spelling of 7682940 in words is "seven million, six hundred eighty-two thousand, nine hundred forty".