7628971 has 8 divisors (see below), whose sum is σ = 9231840. Its totient is φ = 6154368.

The previous prime is 7628963. The next prime is 7628981. The reversal of 7628971 is 1798267.

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

It is a cyclic number.

It is not a de Polignac number, because 7628971 - 2³ = 7628963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7628981) 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, 31936 + ... + 32173.

It is an arithmetic number, because the mean of its divisors is an integer number (1153980).

Almost surely, 2^7628971 is an apocalyptic number.

7628971 is a deficient number, since it is larger than the sum of its proper divisors (1602869).

7628971 is a wasteful number, since it uses less digits than its factorization.

7628971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64133.

The product of its digits is 42336, while the sum is 40.

The square root of 7628971 is about 2762.0591956003. The cubic root of 7628971 is about 196.8590211605.

The spelling of 7628971 in words is "seven million, six hundred twenty-eight thousand, nine hundred seventy-one".