7628705 has 16 divisors (see below), whose sum is σ = 10521984. Its totient is φ = 5201280.

The previous prime is 7628689. The next prime is 7628717. The reversal of 7628705 is 5078267.

It is not a de Polignac number, because 7628705 - 2⁴ = 7628689 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6869 + ... + 7901.

It is an arithmetic number, because the mean of its divisors is an integer number (657624).

Almost surely, 2^7628705 is an apocalyptic number.

It is an amenable number.

7628705 is a deficient number, since it is larger than the sum of its proper divisors (2893279).

7628705 is a wasteful number, since it uses less digits than its factorization.

7628705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1256.

The product of its (nonzero) digits is 23520, while the sum is 35.

The square root of 7628705 is about 2762.0110427006. The cubic root of 7628705 is about 196.8567331670.

The spelling of 7628705 in words is "seven million, six hundred twenty-eight thousand, seven hundred five".