628718041 has 16 divisors (see below), whose sum is σ = 753122304. Its totient is φ = 513170064.

The previous prime is 628718029. The next prime is 628718047. The reversal of 628718041 is 140817826.

It is a cyclic number.

It is not a de Polignac number, because 628718041 - 2⁵ = 628718009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (628718047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27946 + ... + 45148.

It is an arithmetic number, because the mean of its divisors is an integer number (47070144).

Almost surely, 2^628718041 is an apocalyptic number.

It is an amenable number.

628718041 is a deficient number, since it is larger than the sum of its proper divisors (124404263).

628718041 is a wasteful number, since it uses less digits than its factorization.

628718041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17460.

The product of its (nonzero) digits is 21504, while the sum is 37.

The square root of 628718041 is about 25074.2505570954. The cubic root of 628718041 is about 856.6800253451.

The spelling of 628718041 in words is "six hundred twenty-eight million, seven hundred eighteen thousand, forty-one".