73153897 has 2 divisors, whose sum is σ = 73153898. Its totient is φ = 73153896.

The previous prime is 73153891. The next prime is 73153903. The reversal of 73153897 is 79835137.

It is a balanced prime because it is at equal distance from previous prime (73153891) and next prime (73153903).

It can be written as a sum of positive squares in only one way, i.e., 37405456 + 35748441 = 6116^2 + 5979^2 .

It is a cyclic number.

It is not a de Polignac number, because 73153897 - 2³ = 73153889 is a prime.

It is not a weakly prime, because it can be changed into another prime (73153891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36576948 + 36576949.

It is an arithmetic number, because the mean of its divisors is an integer number (36576949).

Almost surely, 2^73153897 is an apocalyptic number.

It is an amenable number.

73153897 is a deficient number, since it is larger than the sum of its proper divisors (1).

73153897 is an equidigital number, since it uses as much as digits as its factorization.

73153897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 158760, while the sum is 43.

The square root of 73153897 is about 8553.0051443922. The cubic root of 73153897 is about 418.2274065368.

The spelling of 73153897 in words is "seventy-three million, one hundred fifty-three thousand, eight hundred ninety-seven".