1672049 has 4 divisors (see below), whose sum is σ = 1674660. Its totient is φ = 1669440.

The previous prime is 1672037. The next prime is 1672051. The reversal of 1672049 is 9402761.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 9402761 = 89 ⋅105649.

It can be written as a sum of positive squares in 2 ways, for example, as 390625 + 1281424 = 625^2 + 1132^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1672049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1672009) 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, 389 + ... + 1869.

It is an arithmetic number, because the mean of its divisors is an integer number (418665).

2^1672049 is an apocalyptic number.

It is an amenable number.

1672049 is a deficient number, since it is larger than the sum of its proper divisors (2611).

1672049 is a wasteful number, since it uses less digits than its factorization.

1672049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2610.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 1672049 is about 1293.0773372076. The cubic root of 1672049 is about 118.6906022430.

The spelling of 1672049 in words is "one million, six hundred seventy-two thousand, forty-nine".