701428820 has 24 divisors (see below), whose sum is σ = 1508929128. Its totient is φ = 273728000.

The previous prime is 701428817. The next prime is 701428841. The reversal of 701428820 is 28824107.

It can be written as a sum of positive squares in 4 ways, for example, as 132496 + 701296324 = 364^2 + 26482^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 426881 + ... + 428520.

It is an arithmetic number, because the mean of its divisors is an integer number (62872047).

Almost surely, 2^701428820 is an apocalyptic number.

It is an amenable number.

701428820 is an abundant number, since it is smaller than the sum of its proper divisors (807500308).

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

701428820 is a wasteful number, since it uses less digits than its factorization.

701428820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 855451 (or 855449 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 32.

The square root of 701428820 is about 26484.5015055976. The cubic root of 701428820 is about 888.5077125962.

The spelling of 701428820 in words is "seven hundred one million, four hundred twenty-eight thousand, eight hundred twenty".