73845039573 has 12 divisors (see below), whose sum is σ = 106673562528. Its totient is φ = 49226100840.

The previous prime is 73845039533. The next prime is 73845039613. The reversal of 73845039573 is 37593054837.

73845039573 is a `hidden beast` number, since 7 + 3 + 84 + 503 + 9 + 57 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (73845039533) and next prime (73845039613).

It is not a de Polignac number, because 73845039573 - 2¹⁶ = 73844974037 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73845039533) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 205615 + ... + 435852.

It is an arithmetic number, because the mean of its divisors is an integer number (8889463544).

Almost surely, 2^73845039573 is an apocalyptic number.

It is an amenable number.

73845039573 is a deficient number, since it is larger than the sum of its proper divisors (32828522955).

73845039573 is a wasteful number, since it uses less digits than its factorization.

73845039573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 654264 (or 654261 counting only the distinct ones).

The product of its (nonzero) digits is 9525600, while the sum is 54.

The spelling of 73845039573 in words is "seventy-three billion, eight hundred forty-five million, thirty-nine thousand, five hundred seventy-three".