700649028 has 30 divisors (see below), whose sum is σ = 1831635806. Its totient is φ = 233549568.

The previous prime is 700649017. The next prime is 700649113. The reversal of 700649028 is 820946007.

700649028 is a `hidden beast` number, since 7 + 0 + 0 + 649 + 0 + 2 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 595750464 + 104898564 = 24408^2 + 10242^2 .

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 700648983 and 700649001.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1080925 + ... + 1081572.

Almost surely, 2^700649028 is an apocalyptic number.

It is an amenable number.

700649028 is an abundant number, since it is smaller than the sum of its proper divisors (1130986778).

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

700649028 is a wasteful number, since it uses less digits than its factorization.

700649028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2162513 (or 2162502 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 700649028 is about 26469.7757451777. The cubic root of 700649028 is about 888.1783334313.

The spelling of 700649028 in words is "seven hundred million, six hundred forty-nine thousand, twenty-eight".