75729126 has 32 divisors (see below), whose sum is σ = 168749568. Its totient is φ = 22459040.

The previous prime is 75729109. The next prime is 75729131. The reversal of 75729126 is 62192757.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9105 + ... + 15308.

It is an arithmetic number, because the mean of its divisors is an integer number (5273424).

Almost surely, 2^75729126 is an apocalyptic number.

75729126 is an abundant number, since it is smaller than the sum of its proper divisors (93020442).

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

75729126 is a wasteful number, since it uses less digits than its factorization.

75729126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24476.

The product of its digits is 52920, while the sum is 39.

The square root of 75729126 is about 8702.2483301731. The cubic root of 75729126 is about 423.0785249543.

It can be divided in two parts, 75729 and 126, that added together give a triangular number (75855 = T₃₈₉).

The spelling of 75729126 in words is "seventy-five million, seven hundred twenty-nine thousand, one hundred twenty-six".