73257434 has 4 divisors (see below), whose sum is σ = 109886154. Its totient is φ = 36628716.

The previous prime is 73257419. The next prime is 73257439. The reversal of 73257434 is 43475237.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 66471409 + 6786025 = 8153^2 + 2605^2 .

It is a junction number, because it is equal to n+sod(n) for n = 73257394 and 73257403.

It is not an unprimeable number, because it can be changed into a prime (73257439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18314357 + ... + 18314360.

Almost surely, 2^73257434 is an apocalyptic number.

73257434 is a deficient number, since it is larger than the sum of its proper divisors (36628720).

73257434 is a wasteful number, since it uses less digits than its factorization.

73257434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36628719.

The product of its digits is 70560, while the sum is 35.

The square root of 73257434 is about 8559.0556722106. The cubic root of 73257434 is about 418.4246236363.

The spelling of 73257434 in words is "seventy-three million, two hundred fifty-seven thousand, four hundred thirty-four".