1672297 has 4 divisors (see below), whose sum is σ = 1824336. Its totient is φ = 1520260.

The previous prime is 1672271. The next prime is 1672301. The reversal of 1672297 is 7922761.

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-1672297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1672897) 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, 76003 + ... + 76024.

It is an arithmetic number, because the mean of its divisors is an integer number (456084).

2^1672297 is an apocalyptic number.

It is an amenable number.

1672297 is a deficient number, since it is larger than the sum of its proper divisors (152039).

1672297 is a wasteful number, since it uses less digits than its factorization.

1672297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152038.

The product of its digits is 10584, while the sum is 34.

The square root of 1672297 is about 1293.1732289218. The cubic root of 1672297 is about 118.6964700563.

The spelling of 1672297 in words is "one million, six hundred seventy-two thousand, two hundred ninety-seven".