73857345 has 32 divisors (see below), whose sum is σ = 126213120. Its totient is φ = 36798720.

The previous prime is 73857331. The next prime is 73857349. The reversal of 73857345 is 54375837.

It is not a de Polignac number, because 73857345 - 2⁶ = 73857281 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 73857297 and 73857306.

It is not an unprimeable number, because it can be changed into a prime (73857349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10747 + ... + 16223.

It is an arithmetic number, because the mean of its divisors is an integer number (3944160).

Almost surely, 2^73857345 is an apocalyptic number.

It is an amenable number.

73857345 is a deficient number, since it is larger than the sum of its proper divisors (52355775).

73857345 is a wasteful number, since it uses less digits than its factorization.

73857345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5545.

The product of its digits is 352800, while the sum is 42.

The square root of 73857345 is about 8594.0296136329. The cubic root of 73857345 is about 419.5636908964.

The spelling of 73857345 in words is "seventy-three million, eight hundred fifty-seven thousand, three hundred forty-five".