1972733 has 8 divisors (see below), whose sum is σ = 2352768. Its totient is φ = 1617264.

The previous prime is 1972721. The next prime is 1972739. The reversal of 1972733 is 3372791.

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

It is a cyclic number.

It is not a de Polignac number, because 1972733 - 2⁴ = 1972717 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1972733.

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, 5966 + ... + 6287.

It is an arithmetic number, because the mean of its divisors is an integer number (294096).

2^1972733 is an apocalyptic number.

It is an amenable number.

1972733 is a deficient number, since it is larger than the sum of its proper divisors (380035).

1972733 is a wasteful number, since it uses less digits than its factorization.

1972733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12283.

The product of its digits is 7938, while the sum is 32.

The square root of 1972733 is about 1404.5401382659. The cubic root of 1972733 is about 125.4169119296.

The spelling of 1972733 in words is "one million, nine hundred seventy-two thousand, seven hundred thirty-three".