857230073 has 16 divisors (see below), whose sum is σ = 1025556480. Its totient is φ = 701038800.

The previous prime is 857230037. The next prime is 857230103. The reversal of 857230073 is 370032758.

857230073 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 857230073 - 2¹² = 857225977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (857230013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12413 + ... + 43226.

It is an arithmetic number, because the mean of its divisors is an integer number (64097280).

Almost surely, 2^857230073 is an apocalyptic number.

It is an amenable number.

857230073 is a deficient number, since it is larger than the sum of its proper divisors (168326407).

857230073 is a wasteful number, since it uses less digits than its factorization.

857230073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55748.

The product of its (nonzero) digits is 35280, while the sum is 35.

The square root of 857230073 is about 29278.4916448918. The cubic root of 857230073 is about 949.9464690058.

The spelling of 857230073 in words is "eight hundred fifty-seven million, two hundred thirty thousand, seventy-three".