1672534 has 4 divisors (see below), whose sum is σ = 2508804. Its totient is φ = 836266.

The previous prime is 1672529. The next prime is 1672549. The reversal of 1672534 is 4352761.

It is a semiprime because it is the product of two primes.

It is a d-powerful number, because it can be written as 1 + 6 + 7 + 2³ + 5⁷ + 3¹³ + 4³ .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 418132 + ... + 418135.

It is an arithmetic number, because the mean of its divisors is an integer number (627201).

2^1672534 is an apocalyptic number.

1672534 is a deficient number, since it is larger than the sum of its proper divisors (836270).

1672534 is an equidigital number, since it uses as much as digits as its factorization.

1672534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 836269.

The product of its digits is 5040, while the sum is 28.

The square root of 1672534 is about 1293.2648607304. The cubic root of 1672534 is about 118.7020770616.

It can be divided in two parts, 167 and 2534, that added together give a triangular number (2701 = T₇₃).

The spelling of 1672534 in words is "one million, six hundred seventy-two thousand, five hundred thirty-four".