1972375 has 16 divisors (see below), whose sum is σ = 2545920. Its totient is φ = 1524000.

The previous prime is 1972361. The next prime is 1972379. The reversal of 1972375 is 5732791.

It is not a de Polignac number, because 1972375 - 2⁵ = 1972343 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1972375.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1972379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3621 + ... + 4129.

It is an arithmetic number, because the mean of its divisors is an integer number (159120).

2^1972375 is an apocalyptic number.

1972375 is a deficient number, since it is larger than the sum of its proper divisors (573545).

1972375 is an equidigital number, since it uses as much as digits as its factorization.

1972375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555 (or 545 counting only the distinct ones).

The product of its digits is 13230, while the sum is 34.

The square root of 1972375 is about 1404.4126886354. The cubic root of 1972375 is about 125.4093248291.

The spelling of 1972375 in words is "one million, nine hundred seventy-two thousand, three hundred seventy-five".