7713028 has 6 divisors (see below), whose sum is σ = 13497806. Its totient is φ = 3856512.

The previous prime is 7712989. The next prime is 7713047. The reversal of 7713028 is 8203177.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 6563844 + 1149184 = 2562^2 + 1072^2 .

It is a junction number, because it is equal to n+sod(n) for n = 7712987 and 7713005.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 964125 + ... + 964132.

Almost surely, 2^7713028 is an apocalyptic number.

It is an amenable number.

7713028 is a deficient number, since it is larger than the sum of its proper divisors (5784778).

7713028 is a wasteful number, since it uses less digits than its factorization.

7713028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1928261 (or 1928259 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 28.

The square root of 7713028 is about 2777.2338756396. The cubic root of 7713028 is about 197.5793880493.

The spelling of 7713028 in words is "seven million, seven hundred thirteen thousand, twenty-eight".