1670972 has 12 divisors (see below), whose sum is σ = 2934120. Its totient is φ = 832656.

The previous prime is 1670971. The next prime is 1670983. The reversal of 1670972 is 2790761.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1670971) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1178 + ... + 2174.

It is an arithmetic number, because the mean of its divisors is an integer number (244510).

2^1670972 is an apocalyptic number.

It is an amenable number.

1670972 is a deficient number, since it is larger than the sum of its proper divisors (1263148).

1670972 is a wasteful number, since it uses less digits than its factorization.

1670972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1420 (or 1418 counting only the distinct ones).

The product of its (nonzero) digits is 5292, while the sum is 32.

The square root of 1670972 is about 1292.6608217162. The cubic root of 1670972 is about 118.6651131107.

The spelling of 1670972 in words is "one million, six hundred seventy thousand, nine hundred seventy-two".