1683174972 has 24 divisors (see below), whose sum is σ = 4018744576. Its totient is φ = 548010288.

The previous prime is 1683174971. The next prime is 1683174979. The reversal of 1683174972 is 2794713861.

It is a happy number.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1683174971) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1630468 + ... + 1631499.

Almost surely, 2^1683174972 is an apocalyptic number.

1683174972 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1683174972 is an abundant number, since it is smaller than the sum of its proper divisors (2335569604).

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

1683174972 is a wasteful number, since it uses less digits than its factorization.

1683174972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3262017 (or 3262015 counting only the distinct ones).

The product of its digits is 508032, while the sum is 48.

The square root of 1683174972 is about 41026.5154747512. The cubic root of 1683174972 is about 1189.5327996743.

The spelling of 1683174972 in words is "one billion, six hundred eighty-three million, one hundred seventy-four thousand, nine hundred seventy-two".