1672947 has 8 divisors (see below), whose sum is σ = 2478480. Its totient is φ = 1115280.

The previous prime is 1672939. The next prime is 1672949. The reversal of 1672947 is 7492761.

It is a happy number.

It is not a de Polignac number, because 1672947 - 2³ = 1672939 is a prime.

It is an alternating number because its digits alternate between odd and even.

1672947 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1672949) 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, 30954 + ... + 31007.

It is an arithmetic number, because the mean of its divisors is an integer number (309810).

2^1672947 is an apocalyptic number.

1672947 is a deficient number, since it is larger than the sum of its proper divisors (805533).

1672947 is an equidigital number, since it uses as much as digits as its factorization.

1672947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61970 (or 61964 counting only the distinct ones).

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

The square root of 1672947 is about 1293.4245242765. The cubic root of 1672947 is about 118.7118466534.

The spelling of 1672947 in words is "one million, six hundred seventy-two thousand, nine hundred forty-seven".