7661662 has 8 divisors (see below), whose sum is σ = 12168576. Its totient is φ = 3605472.

The previous prime is 7661639. The next prime is 7661663. The reversal of 7661662 is 2661667.

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 (34), and also a Moran number because the ratio is a prime number: 225343 = 7661662 / (7 + 6 + 6 + 1 + 6 + 6 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7661663) by changing a digit.

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, 112638 + ... + 112705.

It is an arithmetic number, because the mean of its divisors is an integer number (1521072).

Almost surely, 2^7661662 is an apocalyptic number.

7661662 is a deficient number, since it is larger than the sum of its proper divisors (4506914).

7661662 is a wasteful number, since it uses less digits than its factorization.

7661662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225362.

The product of its digits is 18144, while the sum is 34.

The square root of 7661662 is about 2767.9707368395. The cubic root of 7661662 is about 197.1398081664.

The spelling of 7661662 in words is "seven million, six hundred sixty-one thousand, six hundred sixty-two".