7628671 has 8 divisors (see below), whose sum is σ = 8086400. Its totient is φ = 7176600.

The previous prime is 7628659. The next prime is 7628681. The reversal of 7628671 is 1768267.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7628671 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7628671.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7628681) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1540 + ... + 4198.

It is an arithmetic number, because the mean of its divisors is an integer number (1010800).

Almost surely, 2^7628671 is an apocalyptic number.

7628671 is a deficient number, since it is larger than the sum of its proper divisors (457729).

7628671 is a wasteful number, since it uses less digits than its factorization.

7628671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2829.

The product of its digits is 28224, while the sum is 37.

The square root of 7628671 is about 2762.0048877582. The cubic root of 7628671 is about 196.8564407129.

The spelling of 7628671 in words is "seven million, six hundred twenty-eight thousand, six hundred seventy-one".