75129486 has 8 divisors (see below), whose sum is σ = 150258984. Its totient is φ = 25043160.

The previous prime is 75129451. The next prime is 75129487. The reversal of 75129486 is 68492157.

It is a sphenic number, since it is the product of 3 distinct primes.

75129486 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75129487) 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 3 ways as a sum of consecutive naturals, for example, 6260785 + ... + 6260796.

It is an arithmetic number, because the mean of its divisors is an integer number (18782373).

Almost surely, 2^75129486 is an apocalyptic number.

75129486 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

75129486 is a wasteful number, since it uses less digits than its factorization.

75129486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12521586.

The product of its digits is 120960, while the sum is 42.

The square root of 75129486 is about 8667.7266915841. The cubic root of 75129486 is about 421.9588880534.

The spelling of 75129486 in words is "seventy-five million, one hundred twenty-nine thousand, four hundred eighty-six".