75050731 has 8 divisors (see below), whose sum is σ = 86093280. Its totient is φ = 64088448.

The previous prime is 75050719. The next prime is 75050747. The reversal of 75050731 is 13705057.

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

It is a cyclic number.

It is not a de Polignac number, because 75050731 - 2⁷ = 75050603 is a prime.

It is a super-2 number, since 2×75050731² = 11265224447268722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 75050731.

It is not an unprimeable number, because it can be changed into a prime (75050791) 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, 18046 + ... + 21811.

It is an arithmetic number, because the mean of its divisors is an integer number (10761660).

Almost surely, 2^75050731 is an apocalyptic number.

75050731 is a deficient number, since it is larger than the sum of its proper divisors (11042549).

75050731 is a wasteful number, since it uses less digits than its factorization.

75050731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40133.

The product of its (nonzero) digits is 3675, while the sum is 28.

The square root of 75050731 is about 8663.1824983663. The cubic root of 75050731 is about 421.8113960701.

Adding to 75050731 its reverse (13705057), we get a palindrome (88755788).

The spelling of 75050731 in words is "seventy-five million, fifty thousand, seven hundred thirty-one".