94139573 has 6 divisors (see below), whose sum is σ = 103475862. Its totient is φ = 85581320.

The previous prime is 94139569. The next prime is 94139593. The reversal of 94139573 is 37593149.

It can be written as a sum of positive squares in only one way, i.e., 89908324 + 4231249 = 9482^2 + 2057^2 .

It is not a de Polignac number, because 94139573 - 2² = 94139569 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 94139573.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (94139503) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 388886 + ... + 389127.

It is an arithmetic number, because the mean of its divisors is an integer number (17245977).

Almost surely, 2^94139573 is an apocalyptic number.

It is an amenable number.

94139573 is a deficient number, since it is larger than the sum of its proper divisors (9336289).

94139573 is a wasteful number, since it uses less digits than its factorization.

94139573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 778035 (or 778024 counting only the distinct ones).

The product of its digits is 102060, while the sum is 41.

The square root of 94139573 is about 9702.5549727894. The cubic root of 94139573 is about 454.9085240569.

The spelling of 94139573 in words is "ninety-four million, one hundred thirty-nine thousand, five hundred seventy-three".