73855853 has 2 divisors, whose sum is σ = 73855854. Its totient is φ = 73855852.

The previous prime is 73855823. The next prime is 73855861. The reversal of 73855853 is 35855837.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39715204 + 34140649 = 6302^2 + 5843^2 .

It is a cyclic number.

It is not a de Polignac number, because 73855853 - 2¹⁶ = 73790317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73855813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36927926 + 36927927.

It is an arithmetic number, because the mean of its divisors is an integer number (36927927).

Almost surely, 2^73855853 is an apocalyptic number.

It is an amenable number.

73855853 is a deficient number, since it is larger than the sum of its proper divisors (1).

73855853 is an equidigital number, since it uses as much as digits as its factorization.

73855853 is an evil number, because the sum of its binary digits is even.

The product of its digits is 504000, while the sum is 44.

The square root of 73855853 is about 8593.9428087462. The cubic root of 73855853 is about 419.5608656606.

The spelling of 73855853 in words is "seventy-three million, eight hundred fifty-five thousand, eight hundred fifty-three".