1672470940 has 36 divisors (see below), whose sum is σ = 4085609976. Its totient is φ = 573418272.

The previous prime is 1672470871. The next prime is 1672470941. The reversal of 1672470940 is 490742761.

It is a junction number, because it is equal to n+sod(n) for n = 1672470893 and 1672470902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1672470941) 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, 852322 + ... + 854281.

It is an arithmetic number, because the mean of its divisors is an integer number (113489166).

Almost surely, 2^1672470940 is an apocalyptic number.

1672470940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1672470940 is an abundant number, since it is smaller than the sum of its proper divisors (2413139036).

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

1672470940 is a wasteful number, since it uses less digits than its factorization.

1672470940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1706626 (or 1706617 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 40.

The square root of 1672470940 is about 40895.8548021679. The cubic root of 1672470940 is about 1187.0058522409.

The spelling of 1672470940 in words is "one billion, six hundred seventy-two million, four hundred seventy thousand, nine hundred forty".