75125747 has 8 divisors (see below), whose sum is σ = 78279600. Its totient is φ = 72009504.

The previous prime is 75125717. The next prime is 75125767. The reversal of 75125747 is 74752157.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-75125747 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 75125747.

It is not an unprimeable number, because it can be changed into a prime (75125717) 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, 5288 + ... + 13349.

It is an arithmetic number, because the mean of its divisors is an integer number (9784950).

Almost surely, 2^75125747 is an apocalyptic number.

75125747 is a deficient number, since it is larger than the sum of its proper divisors (3153853).

75125747 is a wasteful number, since it uses less digits than its factorization.

75125747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18805.

The product of its digits is 68600, while the sum is 38.

The square root of 75125747 is about 8667.5110037427. The cubic root of 75125747 is about 421.9518880035.

The spelling of 75125747 in words is "seventy-five million, one hundred twenty-five thousand, seven hundred forty-seven".