75801197 has 8 divisors (see below), whose sum is σ = 78055800. Its totient is φ = 73557504.

The previous prime is 75801179. The next prime is 75801199. The reversal of 75801197 is 79110857.

It can be written as a sum of positive squares in 4 ways, for example, as 42784681 + 33016516 = 6541^2 + 5746^2 .

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 75801197 - 2²² = 71606893 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 75801197.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75801199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12629 + ... + 17637.

It is an arithmetic number, because the mean of its divisors is an integer number (9756975).

Almost surely, 2^75801197 is an apocalyptic number.

It is an amenable number.

75801197 is a deficient number, since it is larger than the sum of its proper divisors (2254603).

75801197 is a wasteful number, since it uses less digits than its factorization.

75801197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5455.

The product of its (nonzero) digits is 17640, while the sum is 38.

The square root of 75801197 is about 8706.3882867697. The cubic root of 75801197 is about 423.2126962486.

The spelling of 75801197 in words is "seventy-five million, eight hundred one thousand, one hundred ninety-seven".