73474757 has 2 divisors, whose sum is σ = 73474758. Its totient is φ = 73474756.

The previous prime is 73474733. The next prime is 73474759. The reversal of 73474757 is 75747437.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42627841 + 30846916 = 6529^2 + 5554^2 .

It is a cyclic number.

It is not a de Polignac number, because 73474757 - 2¹⁸ = 73212613 is a prime.

Together with 73474759, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73474759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36737378 + 36737379.

It is an arithmetic number, because the mean of its divisors is an integer number (36737379).

Almost surely, 2^73474757 is an apocalyptic number.

It is an amenable number.

73474757 is a deficient number, since it is larger than the sum of its proper divisors (1).

73474757 is an equidigital number, since it uses as much as digits as its factorization.

73474757 is an evil number, because the sum of its binary digits is even.

The product of its digits is 576240, while the sum is 44.

The square root of 73474757 is about 8571.7417716588. The cubic root of 73474757 is about 418.8379765552.

The spelling of 73474757 in words is "seventy-three million, four hundred seventy-four thousand, seven hundred fifty-seven".