1672506 has 24 divisors (see below), whose sum is σ = 3953664. Its totient is φ = 506760.

The previous prime is 1672501. The next prime is 1672507. The reversal of 1672506 is 6052761.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 1672506.

It is not an unprimeable number, because it can be changed into a prime (1672501) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4026 + ... + 4421.

It is an arithmetic number, because the mean of its divisors is an integer number (164736).

2^1672506 is an apocalyptic number.

1672506 is an abundant number, since it is smaller than the sum of its proper divisors (2281158).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1672506 is a wasteful number, since it uses less digits than its factorization.

1672506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8466 (or 8463 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 1672506 is about 1293.2540353697. The cubic root of 1672506 is about 118.7014146582.

The spelling of 1672506 in words is "one million, six hundred seventy-two thousand, five hundred six".