7700642 has 8 divisors (see below), whose sum is σ = 11572716. Its totient is φ = 3843072.

The previous prime is 7700639. The next prime is 7700647. The reversal of 7700642 is 2460077.

It can be written as a sum of positive squares in 2 ways, for example, as 7678441 + 22201 = 2771^2 + 149^2 .

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

It is not an unprimeable number, because it can be changed into a prime (7700647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2183 + ... + 4490.

Almost surely, 2^7700642 is an apocalyptic number.

7700642 is a deficient number, since it is larger than the sum of its proper divisors (3872074).

7700642 is a wasteful number, since it uses less digits than its factorization.

7700642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7252.

The product of its (nonzero) digits is 2352, while the sum is 26.

The square root of 7700642 is about 2775.0030630614. The cubic root of 7700642 is about 197.4735701427.

The spelling of 7700642 in words is "seven million, seven hundred thousand, six hundred forty-two".