1672723500 has 192 divisors, whose sum is σ = 5894913024. Its totient is φ = 359808000.

The previous prime is 1672723469. The next prime is 1672723511. The reversal of 1672723500 is 53272761.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 173815 + ... + 183185.

It is an arithmetic number, because the mean of its divisors is an integer number (30702672).

Almost surely, 2^1672723500 is an apocalyptic number.

1672723500 is a gapful number since it is divisible by the number (10) 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 1672723500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2947456512).

1672723500 is an abundant number, since it is smaller than the sum of its proper divisors (4222189524).

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

1672723500 is a wasteful number, since it uses less digits than its factorization.

1672723500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9417 (or 9405 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 33.

The square root of 1672723500 is about 40898.9425291168. The cubic root of 1672723500 is about 1187.0655991901.

The spelling of 1672723500 in words is "one billion, six hundred seventy-two million, seven hundred twenty-three thousand, five hundred".