1672456972 has 24 divisors (see below), whose sum is σ = 3003823872. Its totient is φ = 814506000.

The previous prime is 1672456967. The next prime is 1672456997. The reversal of 1672456972 is 2796542761.

It is a happy number.

It is a super-2 number, since 2×1672456972² = 5594224646382817568, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11904 + ... + 59047.

It is an arithmetic number, because the mean of its divisors is an integer number (125159328).

Almost surely, 2^1672456972 is an apocalyptic number.

It is an amenable number.

1672456972 is a deficient number, since it is larger than the sum of its proper divisors (1331366900).

1672456972 is a wasteful number, since it uses less digits than its factorization.

1672456972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71109 (or 71107 counting only the distinct ones).

The product of its digits is 1270080, while the sum is 49.

The square root of 1672456972 is about 40895.6840265571. The cubic root of 1672456972 is about 1187.0025477203.

The spelling of 1672456972 in words is "one billion, six hundred seventy-two million, four hundred fifty-six thousand, nine hundred seventy-two".