1672065750 has 128 divisors (see below), whose sum is σ = 4312788480. Its totient is φ = 431222400.

The previous prime is 1672065701. The next prime is 1672065751. The reversal of 1672065750 is 575602761.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1672065699 and 1672065708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1672065751) by changing a digit.

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, 4482564 + ... + 4482936.

It is an arithmetic number, because the mean of its divisors is an integer number (33693660).

Almost surely, 2^1672065750 is an apocalyptic number.

1672065750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1672065750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2156394240).

1672065750 is an abundant number, since it is smaller than the sum of its proper divisors (2640722730).

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

1672065750 is a wasteful number, since it uses less digits than its factorization.

1672065750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575 (or 565 counting only the distinct ones).

The product of its (nonzero) digits is 88200, while the sum is 39.

The square root of 1672065750 is about 40890.9005770232. The cubic root of 1672065750 is about 1186.9099857526.

The spelling of 1672065750 in words is "one billion, six hundred seventy-two million, sixty-five thousand, seven hundred fifty".