75436673 has 8 divisors (see below), whose sum is σ = 83435688. Its totient is φ = 67751424.

The previous prime is 75436651. The next prime is 75436693. The reversal of 75436673 is 37663457.

It can be written as a sum of positive squares in 4 ways, for example, as 5161984 + 70274689 = 2272^2 + 8383^2 .

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

It is not a de Polignac number, because 75436673 - 2¹⁰ = 75435649 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 75436673.

It is not an unprimeable number, because it can be changed into a prime (75436643) 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, 77936 + ... + 78897.

It is an arithmetic number, because the mean of its divisors is an integer number (10429461).

Almost surely, 2^75436673 is an apocalyptic number.

It is an amenable number.

75436673 is a deficient number, since it is larger than the sum of its proper divisors (7999015).

75436673 is a wasteful number, since it uses less digits than its factorization.

75436673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156883.

The product of its digits is 317520, while the sum is 41.

The square root of 75436673 is about 8685.4287746777. The cubic root of 75436673 is about 422.5332032774.

The spelling of 75436673 in words is "seventy-five million, four hundred thirty-six thousand, six hundred seventy-three".