75001680 has 160 divisors (see below), whose sum is σ = 278315520. Its totient is φ = 18455040.

The previous prime is 75001673. The next prime is 75001681. The reversal of 75001680 is 8610057.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75001681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26745 + ... + 29415.

It is an arithmetic number, because the mean of its divisors is an integer number (1739472).

Almost surely, 2^75001680 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 75001680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139157760).

75001680 is an abundant number, since it is smaller than the sum of its proper divisors (203313840).

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

75001680 is a wasteful number, since it uses less digits than its factorization.

75001680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2706 (or 2694 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 75001680 is about 8660.3510321464. The cubic root of 75001680 is about 421.7194814426.

It can be divided in two parts, 7500 and 1680, that added together give a triangular number (9180 = T₁₃₅).

The spelling of 75001680 in words is "seventy-five million, one thousand, six hundred eighty".