675946820 has 48 divisors (see below), whose sum is σ = 1439399808. Its totient is φ = 266611200.

The previous prime is 675946813. The next prime is 675946841. The reversal of 675946820 is 28649576.

It is a super-2 number, since 2×675946820² = 913808206936224800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 562220 + ... + 563420.

It is an arithmetic number, because the mean of its divisors is an integer number (29987496).

Almost surely, 2^675946820 is an apocalyptic number.

It is an amenable number.

675946820 is an abundant number, since it is smaller than the sum of its proper divisors (763452988).

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

675946820 is a wasteful number, since it uses less digits than its factorization.

675946820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1580 (or 1578 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 47.

The square root of 675946820 is about 25998.9772875781. The cubic root of 675946820 is about 877.6152807260.

The spelling of 675946820 in words is "six hundred seventy-five million, nine hundred forty-six thousand, eight hundred twenty".