75426717 has 4 divisors (see below), whose sum is σ = 100568960. Its totient is φ = 50284476.

The previous prime is 75426691. The next prime is 75426737. The reversal of 75426717 is 71762457.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 75426717 - 2⁶ = 75426653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75426737) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12571117 + ... + 12571122.

It is an arithmetic number, because the mean of its divisors is an integer number (25142240).

Almost surely, 2^75426717 is an apocalyptic number.

It is an amenable number.

75426717 is a deficient number, since it is larger than the sum of its proper divisors (25142243).

75426717 is a wasteful number, since it uses less digits than its factorization.

75426717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25142242.

The product of its digits is 82320, while the sum is 39.

The square root of 75426717 is about 8684.8556119259. The cubic root of 75426717 is about 422.5146140622.

The spelling of 75426717 in words is "seventy-five million, four hundred twenty-six thousand, seven hundred seventeen".