75164743 has 4 divisors (see below), whose sum is σ = 75182328. Its totient is φ = 75147160.

The previous prime is 75164737. The next prime is 75164753. The reversal of 75164743 is 34746157.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34746157 = 151 ⋅230107.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-75164743 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 (75164753) 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, 2205 + ... + 12457.

It is an arithmetic number, because the mean of its divisors is an integer number (18795582).

Almost surely, 2^75164743 is an apocalyptic number.

75164743 is a deficient number, since it is larger than the sum of its proper divisors (17585).

75164743 is a wasteful number, since it uses less digits than its factorization.

75164743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17584.

The product of its digits is 70560, while the sum is 37.

The square root of 75164743 is about 8669.7602619680. The cubic root of 75164743 is about 422.0248837928.

The spelling of 75164743 in words is "seventy-five million, one hundred sixty-four thousand, seven hundred forty-three".