1672832736 has 60 divisors (see below), whose sum is σ = 4919762232. Its totient is φ = 557610048.

The previous prime is 1672832719. The next prime is 1672832737. The reversal of 1672832736 is 6372382761.

It is a junction number, because it is equal to n+sod(n) for n = 1672832691 and 1672832700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1672832737) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 320100 + ... + 325283.

Almost surely, 2^1672832736 is an apocalyptic number.

1672832736 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1672832736 is an abundant number, since it is smaller than the sum of its proper divisors (3246929496).

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

1672832736 is an equidigital number, since it uses as much as digits as its factorization.

1672832736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645405 (or 645388 counting only the distinct ones).

The product of its digits is 508032, while the sum is 45.

The square root of 1672832736 is about 40900.2779452658. The cubic root of 1672832736 is about 1187.0914387815.

The spelling of 1672832736 in words is "one billion, six hundred seventy-two million, eight hundred thirty-two thousand, seven hundred thirty-six".