1972735 has 8 divisors (see below), whose sum is σ = 2401056. Its totient is φ = 1555680.

The previous prime is 1972721. The next prime is 1972739. The reversal of 1972735 is 5372791.

1972735 is nontrivially palindromic in base 6.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1972735 - 2¹⁵ = 1939967 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 1972735.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1972739) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2424 + ... + 3133.

It is an arithmetic number, because the mean of its divisors is an integer number (300132).

2^1972735 is an apocalyptic number.

1972735 is a deficient number, since it is larger than the sum of its proper divisors (428321).

1972735 is an equidigital number, since it uses as much as digits as its factorization.

1972735 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5633.

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

The square root of 1972735 is about 1404.5408502425. The cubic root of 1972735 is about 125.4169543131.

The spelling of 1972735 in words is "one million, nine hundred seventy-two thousand, seven hundred thirty-five".