7642869 has 8 divisors (see below), whose sum is σ = 10974432. Its totient is φ = 4703280.

The previous prime is 7642867. The next prime is 7642871. The reversal of 7642869 is 9682467.

It is an interprime number because it is at equal distance from previous prime (7642867) and next prime (7642871).

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

It is not a de Polignac number, because 7642869 - 2¹ = 7642867 is a prime.

It is a super-2 number, since 2×7642869² = 116826893102322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7642869.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7642861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97947 + ... + 98024.

It is an arithmetic number, because the mean of its divisors is an integer number (1371804).

Almost surely, 2^7642869 is an apocalyptic number.

It is an amenable number.

7642869 is a deficient number, since it is larger than the sum of its proper divisors (3331563).

7642869 is a wasteful number, since it uses less digits than its factorization.

7642869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195987.

The product of its digits is 145152, while the sum is 42.

The square root of 7642869 is about 2764.5739273892. The cubic root of 7642869 is about 196.9784906128.

The spelling of 7642869 in words is "seven million, six hundred forty-two thousand, eight hundred sixty-nine".