7742166 has 16 divisors (see below), whose sum is σ = 15552000. Its totient is φ = 2569448.

The previous prime is 7742149. The next prime is 7742171. The reversal of 7742166 is 6612477.

It is a super-2 number, since 2×7742166² = 119882268743112, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1266 + ... + 4133.

It is an arithmetic number, because the mean of its divisors is an integer number (972000).

Almost surely, 2^7742166 is an apocalyptic number.

7742166 is an abundant number, since it is smaller than the sum of its proper divisors (7809834).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7742166 is a wasteful number, since it uses less digits than its factorization.

7742166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5643.

The product of its digits is 14112, while the sum is 33.

The square root of 7742166 is about 2782.4747977295. The cubic root of 7742166 is about 197.8278781697.

The spelling of 7742166 in words is "seven million, seven hundred forty-two thousand, one hundred sixty-six".