1672497 has 6 divisors (see below), whose sum is σ = 2415842. Its totient is φ = 1114992.

The previous prime is 1672487. The next prime is 1672499. The reversal of 1672497 is 7942761.

It is a happy number.

1672497 is a `hidden beast` number, since 167 + 2 + 497 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1418481 + 254016 = 1191^2 + 504^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1672497 is a prime.

It is a Duffinian number.

1672497 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1672499) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 92908 + ... + 92925.

2^1672497 is an apocalyptic number.

It is an amenable number.

1672497 is a deficient number, since it is larger than the sum of its proper divisors (743345).

1672497 is a wasteful number, since it uses less digits than its factorization.

1672497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185839 (or 185836 counting only the distinct ones).

The product of its digits is 21168, while the sum is 36.

The square root of 1672497 is about 1293.2505557702. The cubic root of 1672497 is about 118.7012017413.

The spelling of 1672497 in words is "one million, six hundred seventy-two thousand, four hundred ninety-seven".