75775000 has 96 divisors (see below), whose sum is σ = 203424480. Its totient is φ = 25920000.

The previous prime is 75774989. The next prime is 75775003. The reversal of 75775000 is 57757.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75775003) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 174784 + ... + 175216.

It is an arithmetic number, because the mean of its divisors is an integer number (2119005).

Almost surely, 2^75775000 is an apocalyptic number.

75775000 is a gapful number since it is divisible by the number (70) 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 75775000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101712240).

75775000 is an abundant number, since it is smaller than the sum of its proper divisors (127649480).

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

75775000 is an equidigital number, since it uses as much as digits as its factorization.

75775000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471 (or 447 counting only the distinct ones).

The product of its (nonzero) digits is 8575, while the sum is 31.

The square root of 75775000 is about 8704.8836867588. The cubic root of 75775000 is about 423.1639363305.

It can be divided in two parts, 757 and 75000, that added together give a palindrome (75757).

The spelling of 75775000 in words is "seventy-five million, seven hundred seventy-five thousand".