73876013 has 4 divisors (see below), whose sum is σ = 75872700. Its totient is φ = 71879328.

The previous prime is 73875983. The next prime is 73876031. The reversal of 73876013 is 31067837.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31067837 = 1493 ⋅20809.

It can be written as a sum of positive squares in 2 ways, for example, as 33895684 + 39980329 = 5822^2 + 6323^2 .

It is a cyclic number.

It is not a de Polignac number, because 73876013 - 2⁸ = 73875757 is a prime.

It is a super-4 number, since 4×73876013⁴ (a number of 33 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73876213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 998288 + ... + 998361.

It is an arithmetic number, because the mean of its divisors is an integer number (18968175).

Almost surely, 2^73876013 is an apocalyptic number.

It is an amenable number.

73876013 is a deficient number, since it is larger than the sum of its proper divisors (1996687).

73876013 is a wasteful number, since it uses less digits than its factorization.

73876013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1996686.

The product of its (nonzero) digits is 21168, while the sum is 35.

The square root of 73876013 is about 8595.1156478549. The cubic root of 73876013 is about 419.5990372124.

The spelling of 73876013 in words is "seventy-three million, eight hundred seventy-six thousand, thirteen".