1673620488 has 128 divisors (see below), whose sum is σ = 4943980800. Its totient is φ = 522759168.

The previous prime is 1673620483. The next prime is 1673620489. The reversal of 1673620488 is 8840263761.

1673620488 is a `hidden beast` number, since 16 + 7 + 3 + 620 + 4 + 8 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (1673620483) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 964870 + ... + 966602.

It is an arithmetic number, because the mean of its divisors is an integer number (38624850).

Almost surely, 2^1673620488 is an apocalyptic number.

1673620488 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1673620488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2471990400).

1673620488 is an abundant number, since it is smaller than the sum of its proper divisors (3270360312).

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

1673620488 is a wasteful number, since it uses less digits than its factorization.

1673620488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2028 (or 2018 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The square root of 1673620488 is about 40909.9069664061. The cubic root of 1673620488 is about 1187.2777468894.

The spelling of 1673620488 in words is "one billion, six hundred seventy-three million, six hundred twenty thousand, four hundred eighty-eight".