7797942 has 36 divisors (see below), whose sum is σ = 17903340. Its totient is φ = 2446200.

The previous prime is 7797919. The next prime is 7797953. The reversal of 7797942 is 2497977.

It is a happy number.

It is a plaindrome in base 11.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 51567 + ... + 51717.

It is an arithmetic number, because the mean of its divisors is an integer number (497315).

Almost surely, 2^7797942 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7797942, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8951670).

7797942 is an abundant number, since it is smaller than the sum of its proper divisors (10105398).

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

7797942 is a wasteful number, since it uses less digits than its factorization.

7797942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329 (or 175 counting only the distinct ones).

The product of its digits is 222264, while the sum is 45.

The square root of 7797942 is about 2792.4795433449. The cubic root of 7797942 is about 198.3018048102.

The spelling of 7797942 in words is "seven million, seven hundred ninety-seven thousand, nine hundred forty-two".