7842100382 has 4 divisors (see below), whose sum is σ = 11763150576. Its totient is φ = 3921050190.

The previous prime is 7842100373. The next prime is 7842100421. The reversal of 7842100382 is 2830012487.

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

It is a super-2 number, since 2×7842100382² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1960525094 + ... + 1960525097.

It is an arithmetic number, because the mean of its divisors is an integer number (2940787644).

Almost surely, 2^7842100382 is an apocalyptic number.

7842100382 is a deficient number, since it is larger than the sum of its proper divisors (3921050194).

7842100382 is a wasteful number, since it uses less digits than its factorization.

7842100382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3921050193.

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 7842100382 is about 88555.6343887841. The cubic root of 7842100382 is about 1986.7541661097.

The spelling of 7842100382 in words is "seven billion, eight hundred forty-two million, one hundred thousand, three hundred eighty-two".