7628651 has 4 divisors (see below), whose sum is σ = 7680000. Its totient is φ = 7577304.

The previous prime is 7628629. The next prime is 7628657. The reversal of 7628651 is 1568267.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1568267 = 17 ⋅92251.

It is a cyclic number.

It is not a de Polignac number, because 7628651 - 2¹⁸ = 7366507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7628657) 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, 25451 + ... + 25748.

It is an arithmetic number, because the mean of its divisors is an integer number (1920000).

Almost surely, 2^7628651 is an apocalyptic number.

7628651 is a deficient number, since it is larger than the sum of its proper divisors (51349).

7628651 is a wasteful number, since it uses less digits than its factorization.

7628651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51348.

The product of its digits is 20160, while the sum is 35.

The square root of 7628651 is about 2762.0012671974. The cubic root of 7628651 is about 196.8562686807.

The spelling of 7628651 in words is "seven million, six hundred twenty-eight thousand, six hundred fifty-one".