7261668 has 36 divisors (see below), whose sum is σ = 18786768. Its totient is φ = 2363760.

The previous prime is 7261663. The next prime is 7261673. The reversal of 7261668 is 8661627.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (7261663) and next prime (7261673).

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (7261663) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 798 + ... + 3893.

Almost surely, 2^7261668 is an apocalyptic number.

It is an amenable number.

7261668 is an abundant number, since it is smaller than the sum of its proper divisors (11525100).

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

7261668 is a wasteful number, since it uses less digits than its factorization.

7261668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4744 (or 4739 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 7261668 is about 2694.7482257161. The cubic root of 7261668 is about 193.6476048610.

The spelling of 7261668 in words is "seven million, two hundred sixty-one thousand, six hundred sixty-eight".