753449820 has 48 divisors (see below), whose sum is σ = 2120294400. Its totient is φ = 199907136.

The previous prime is 753449803. The next prime is 753449831. The reversal of 753449820 is 28944357.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19612 + ... + 43491.

It is an arithmetic number, because the mean of its divisors is an integer number (44172800).

Almost surely, 2^753449820 is an apocalyptic number.

It is an amenable number.

753449820 is an abundant number, since it is smaller than the sum of its proper divisors (1366844580).

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

753449820 is a wasteful number, since it uses less digits than its factorization.

753449820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63314 (or 63312 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 42.

The square root of 753449820 is about 27449.0404203863. The cubic root of 753449820 is about 909.9512190572.

The spelling of 753449820 in words is "seven hundred fifty-three million, four hundred forty-nine thousand, eight hundred twenty".