7621966 has 8 divisors (see below), whose sum is σ = 12472344. Its totient is φ = 3464520.

The previous prime is 7621961. The next prime is 7621981. The reversal of 7621966 is 6691267.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7621961) 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, 173205 + ... + 173248.

It is an arithmetic number, because the mean of its divisors is an integer number (1559043).

Almost surely, 2^7621966 is an apocalyptic number.

7621966 is a deficient number, since it is larger than the sum of its proper divisors (4850378).

7621966 is a wasteful number, since it uses less digits than its factorization.

7621966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346466.

The product of its digits is 27216, while the sum is 37.

The square root of 7621966 is about 2760.7908287301. The cubic root of 7621966 is about 196.7987500471.

The spelling of 7621966 in words is "seven million, six hundred twenty-one thousand, nine hundred sixty-six".