73475837 has 2 divisors, whose sum is σ = 73475838. Its totient is φ = 73475836.

The previous prime is 73475791. The next prime is 73475849. The reversal of 73475837 is 73857437.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 66814276 + 6661561 = 8174^2 + 2581^2 .

It is a cyclic number.

It is not a de Polignac number, because 73475837 - 2²² = 69281533 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73471837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36737918 + 36737919.

It is an arithmetic number, because the mean of its divisors is an integer number (36737919).

Almost surely, 2^73475837 is an apocalyptic number.

It is an amenable number.

73475837 is a deficient number, since it is larger than the sum of its proper divisors (1).

73475837 is an equidigital number, since it uses as much as digits as its factorization.

73475837 is an evil number, because the sum of its binary digits is even.

The product of its digits is 493920, while the sum is 44.

The square root of 73475837 is about 8571.8047691253. The cubic root of 73475837 is about 418.8400287012.

The spelling of 73475837 in words is "seventy-three million, four hundred seventy-five thousand, eight hundred thirty-seven".