75744426 has 8 divisors (see below), whose sum is σ = 151488864. Its totient is φ = 25248140.

The previous prime is 75744421. The next prime is 75744437. The reversal of 75744426 is 62444757.

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

75744426 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (75744421) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 6312030 + ... + 6312041.

It is an arithmetic number, because the mean of its divisors is an integer number (18936108).

Almost surely, 2^75744426 is an apocalyptic number.

75744426 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.

75744426 is a wasteful number, since it uses less digits than its factorization.

75744426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12624076.

The product of its digits is 188160, while the sum is 39.

The square root of 75744426 is about 8703.1273689404. The cubic root of 75744426 is about 423.1070153819.

The spelling of 75744426 in words is "seventy-five million, seven hundred forty-four thousand, four hundred twenty-six".