700280028 has 54 divisors (see below), whose sum is σ = 2024245496. Its totient is φ = 199959984.

The previous prime is 700280003. The next prime is 700280039. The reversal of 700280028 is 820082007.

It is a junction number, because it is equal to n+sod(n) for n = 700279983 and 700280010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 419251 + ... + 420917.

Almost surely, 2^700280028 is an apocalyptic number.

It is an amenable number.

700280028 is an abundant number, since it is smaller than the sum of its proper divisors (1323965468).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

700280028 is a wasteful number, since it uses less digits than its factorization.

700280028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3351 (or 1679 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

The square root of 700280028 is about 26462.8046132680. The cubic root of 700280028 is about 888.0223849969.

Multiplying 700280028 by its product of nonzero digits (1792), we get a square (1254901810176 = 1120224²).

The spelling of 700280028 in words is "seven hundred million, two hundred eighty thousand, twenty-eight".