1375472820 has 48 divisors (see below), whose sum is σ = 3940896960. Its totient is φ = 358262016.

The previous prime is 1375472803. The next prime is 1375472831. The reversal of 1375472820 is 282745731.

It is a congruent number.

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, 263985 + ... + 269144.

It is an arithmetic number, because the mean of its divisors is an integer number (82102020).

Almost surely, 2^1375472820 is an apocalyptic number.

1375472820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1375472820 is an abundant number, since it is smaller than the sum of its proper divisors (2565424140).

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

1375472820 is a wasteful number, since it uses less digits than its factorization.

1375472820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533184 (or 533182 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 39.

The square root of 1375472820 is about 37087.3673910673. The cubic root of 1375472820 is about 1112.1174903463.

The spelling of 1375472820 in words is "one billion, three hundred seventy-five million, four hundred seventy-two thousand, eight hundred twenty".