7662406 has 8 divisors (see below), whose sum is σ = 11505600. Its totient is φ = 3827208.

The previous prime is 7662401. The next prime is 7662407. The reversal of 7662406 is 6042667.

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

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7662401) 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, 1995 + ... + 4393.

It is an arithmetic number, because the mean of its divisors is an integer number (1438200).

Almost surely, 2^7662406 is an apocalyptic number.

7662406 is a deficient number, since it is larger than the sum of its proper divisors (3843194).

7662406 is a wasteful number, since it uses less digits than its factorization.

7662406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3998.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 7662406 is about 2768.1051280614. The cubic root of 7662406 is about 197.1461891696.

The spelling of 7662406 in words is "seven million, six hundred sixty-two thousand, four hundred six".