75426393 has 8 divisors (see below), whose sum is σ = 114935488. Its totient is φ = 43100784.

The previous prime is 75426383. The next prime is 75426397. The reversal of 75426393 is 39362457.

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

It is not a de Polignac number, because 75426393 - 2¹² = 75422297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75426397) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1795846 + ... + 1795887.

It is an arithmetic number, because the mean of its divisors is an integer number (14366936).

Almost surely, 2^75426393 is an apocalyptic number.

It is an amenable number.

75426393 is a deficient number, since it is larger than the sum of its proper divisors (39509095).

75426393 is a wasteful number, since it uses less digits than its factorization.

75426393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3591743.

The product of its digits is 136080, while the sum is 39.

The square root of 75426393 is about 8684.8369587460. The cubic root of 75426393 is about 422.5140090823.

The spelling of 75426393 in words is "seventy-five million, four hundred twenty-six thousand, three hundred ninety-three".