1672247 has 8 divisors (see below), whose sum is σ = 1772160. Its totient is φ = 1573560.

The previous prime is 1672243. The next prime is 1672271. The reversal of 1672247 is 7422761.

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 1672247 - 2² = 1672243 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1672243) 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, 5222 + ... + 5532.

It is an arithmetic number, because the mean of its divisors is an integer number (221520).

2^1672247 is an apocalyptic number.

1672247 is a deficient number, since it is larger than the sum of its proper divisors (99913).

1672247 is a wasteful number, since it uses less digits than its factorization.

1672247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 613.

The product of its digits is 4704, while the sum is 29.

The square root of 1672247 is about 1293.1538964872. The cubic root of 1672247 is about 118.6952870761.

The spelling of 1672247 in words is "one million, six hundred seventy-two thousand, two hundred forty-seven".