1672813320 has 64 divisors (see below), whose sum is σ = 5180336640. Its totient is φ = 431692800.

The previous prime is 1672813319. The next prime is 1672813343. The reversal of 1672813320 is 233182761.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 221121 + ... + 228560.

It is an arithmetic number, because the mean of its divisors is an integer number (80942760).

Almost surely, 2^1672813320 is an apocalyptic number.

1672813320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1672813320 is an abundant number, since it is smaller than the sum of its proper divisors (3507523320).

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

1672813320 is a wasteful number, since it uses less digits than its factorization.

1672813320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449726 (or 449722 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 1672813320 is about 40900.0405867769. The cubic root of 1672813320 is about 1187.0868460417.

The spelling of 1672813320 in words is "one billion, six hundred seventy-two million, eight hundred thirteen thousand, three hundred twenty".