7955642 has 8 divisors (see below), whose sum is σ = 12561600. Its totient is φ = 3768444.

The previous prime is 7955639. The next prime is 7955687. The reversal of 7955642 is 2465597.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (38), and also a Moran number because the ratio is a prime number: 209359 = 7955642 / (7 + 9 + 5 + 5 + 6 + 4 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 7955596 and 7955605.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104642 + ... + 104717.

It is an arithmetic number, because the mean of its divisors is an integer number (1570200).

Almost surely, 2^7955642 is an apocalyptic number.

7955642 is a deficient number, since it is larger than the sum of its proper divisors (4605958).

7955642 is a wasteful number, since it uses less digits than its factorization.

7955642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209380.

The product of its digits is 75600, while the sum is 38.

The square root of 7955642 is about 2820.5747641217. The cubic root of 7955642 is about 199.6296646820.

The spelling of 7955642 in words is "seven million, nine hundred fifty-five thousand, six hundred forty-two".