1672629 has 16 divisors (see below), whose sum is σ = 2660352. Its totient is φ = 913968.

The previous prime is 1672609. The next prime is 1672631. The reversal of 1672629 is 9262761.

It is not a de Polignac number, because 1672629 - 2⁷ = 1672501 is a prime.

It is a Curzon number.

1672629 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 1672629.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1672609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1249 + ... + 2214.

It is an arithmetic number, because the mean of its divisors is an integer number (166272).

2^1672629 is an apocalyptic number.

It is an amenable number.

1672629 is a deficient number, since it is larger than the sum of its proper divisors (987723).

1672629 is a wasteful number, since it uses less digits than its factorization.

1672629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3496.

The product of its digits is 9072, while the sum is 33.

The square root of 1672629 is about 1293.3015889575. The cubic root of 1672629 is about 118.7043244467.

The spelling of 1672629 in words is "one million, six hundred seventy-two thousand, six hundred twenty-nine".