1967473 has 4 divisors (see below), whose sum is σ = 2000880. Its totient is φ = 1934068.

The previous prime is 1967453. The next prime is 1967479. The reversal of 1967473 is 3747691.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1967473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1967479) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16615 + ... + 16732.

It is an arithmetic number, because the mean of its divisors is an integer number (500220).

2^1967473 is an apocalyptic number.

It is an amenable number.

1967473 is a deficient number, since it is larger than the sum of its proper divisors (33407).

1967473 is an equidigital number, since it uses as much as digits as its factorization.

1967473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33406.

The product of its digits is 31752, while the sum is 37.

The square root of 1967473 is about 1402.6663894170. Note that the first 3 decimals coincide. The cubic root of 1967473 is about 125.3053441788.

It can be divided in two parts, 196747 and 3, that multiplied together give a triangular number (590241 = T₁₀₈₆).

The spelling of 1967473 in words is "one million, nine hundred sixty-seven thousand, four hundred seventy-three".