73475117 has 2 divisors, whose sum is σ = 73475118. Its totient is φ = 73475116.

The previous prime is 73475113. The next prime is 73475141. The reversal of 73475117 is 71157437.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68326756 + 5148361 = 8266^2 + 2269^2 .

It is a cyclic number.

It is not a de Polignac number, because 73475117 - 2² = 73475113 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73475111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36737558 + 36737559.

It is an arithmetic number, because the mean of its divisors is an integer number (36737559).

Almost surely, 2^73475117 is an apocalyptic number.

It is an amenable number.

73475117 is a deficient number, since it is larger than the sum of its proper divisors (1).

73475117 is an equidigital number, since it uses as much as digits as its factorization.

73475117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20580, while the sum is 35.

The square root of 73475117 is about 8571.7627708657. The cubic root of 73475117 is about 418.8386606061.

The spelling of 73475117 in words is "seventy-three million, four hundred seventy-five thousand, one hundred seventeen".