7725375 has 80 divisors (see below), whose sum is σ = 16610880. Its totient is φ = 3499200.

The previous prime is 7725373. The next prime is 7725407. The reversal of 7725375 is 5735277.

It is not a de Polignac number, because 7725375 - 2¹ = 7725373 is a prime.

7725375 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7725373) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 70821 + ... + 70929.

It is an arithmetic number, because the mean of its divisors is an integer number (207636).

Almost surely, 2^7725375 is an apocalyptic number.

7725375 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

7725375 is an abundant number, since it is smaller than the sum of its proper divisors (8885505).

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

7725375 is a wasteful number, since it uses less digits than its factorization.

7725375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143 (or 124 counting only the distinct ones).

The product of its digits is 51450, while the sum is 36.

The square root of 7725375 is about 2779.4558820028. The cubic root of 7725375 is about 197.6847600743.

It can be divided in two parts, 77253 and 75, that multiplied together give a palindrome (5793975).

The spelling of 7725375 in words is "seven million, seven hundred twenty-five thousand, three hundred seventy-five".