75484725 has 12 divisors (see below), whose sum is σ = 124801536. Its totient is φ = 40258480.

The previous prime is 75484723. The next prime is 75484729. The reversal of 75484725 is 52748457.

It is not a de Polignac number, because 75484725 - 2¹ = 75484723 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75484723) 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 11 ways as a sum of consecutive naturals, for example, 503157 + ... + 503306.

It is an arithmetic number, because the mean of its divisors is an integer number (10400128).

Almost surely, 2^75484725 is an apocalyptic number.

75484725 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

75484725 is a deficient number, since it is larger than the sum of its proper divisors (49316811).

75484725 is a wasteful number, since it uses less digits than its factorization.

75484725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1006476 (or 1006471 counting only the distinct ones).

The product of its digits is 313600, while the sum is 42.

The square root of 75484725 is about 8688.1945765504. The cubic root of 75484725 is about 422.6228999513.

The spelling of 75484725 in words is "seventy-five million, four hundred eighty-four thousand, seven hundred twenty-five".