375121720 has 32 divisors (see below), whose sum is σ = 880722720. Its totient is φ = 143524480.

The previous prime is 375121673. The next prime is 375121729. The reversal of 375121720 is 27121573.

375121720 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (375121729) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 202951 + ... + 204790.

It is an arithmetic number, because the mean of its divisors is an integer number (27522585).

Almost surely, 2^375121720 is an apocalyptic number.

It is an amenable number.

375121720 is an abundant number, since it is smaller than the sum of its proper divisors (505601000).

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

375121720 is a wasteful number, since it uses less digits than its factorization.

375121720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407775 (or 407771 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 28.

The square root of 375121720 is about 19368.0592729370. The cubic root of 375121720 is about 721.2027992103.

The spelling of 375121720 in words is "three hundred seventy-five million, one hundred twenty-one thousand, seven hundred twenty".