75725475 has 48 divisors (see below), whose sum is σ = 144657408. Its totient is φ = 34237440.

The previous prime is 75725473. The next prime is 75725479. The reversal of 75725475 is 57452757.

It is not a de Polignac number, because 75725475 - 2¹ = 75725473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (75725471) 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 47 ways as a sum of consecutive naturals, for example, 50182 + ... + 51668.

It is an arithmetic number, because the mean of its divisors is an integer number (3013696).

Almost surely, 2^75725475 is an apocalyptic number.

75725475 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

75725475 is a deficient number, since it is larger than the sum of its proper divisors (68931933).

75725475 is a wasteful number, since it uses less digits than its factorization.

75725475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1604 (or 1599 counting only the distinct ones).

The product of its digits is 343000, while the sum is 42.

The square root of 75725475 is about 8702.0385542699. The cubic root of 75725475 is about 423.0717257891.

The spelling of 75725475 in words is "seventy-five million, seven hundred twenty-five thousand, four hundred seventy-five".