7797642 has 16 divisors (see below), whose sum is σ = 15739680. Its totient is φ = 2575152.

The previous prime is 7797631. The next prime is 7797653. The reversal of 7797642 is 2467977.

It is an interprime number because it is at equal distance from previous prime (7797631) and next prime (7797653).

It is a junction number, because it is equal to n+sod(n) for n = 7797594 and 7797603.

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, 5308 + ... + 6615.

It is an arithmetic number, because the mean of its divisors is an integer number (983730).

Almost surely, 2^7797642 is an apocalyptic number.

7797642 is an abundant number, since it is smaller than the sum of its proper divisors (7942038).

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

7797642 is a wasteful number, since it uses less digits than its factorization.

7797642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12037.

The product of its digits is 148176, while the sum is 42.

The square root of 7797642 is about 2792.4258271259. The cubic root of 7797642 is about 198.2992617758.

The spelling of 7797642 in words is "seven million, seven hundred ninety-seven thousand, six hundred forty-two".