73976013 has 48 divisors (see below), whose sum is σ = 117411840. Its totient is φ = 44755200.

The previous prime is 73976009. The next prime is 73976017. The reversal of 73976013 is 31067937.

It is an interprime number because it is at equal distance from previous prime (73976009) and next prime (73976017).

It is not a de Polignac number, because 73976013 - 2² = 73976009 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73976017) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 331620 + ... + 331842.

It is an arithmetic number, because the mean of its divisors is an integer number (2446080).

Almost surely, 2^73976013 is an apocalyptic number.

It is an amenable number.

73976013 is a deficient number, since it is larger than the sum of its proper divisors (43435827).

73976013 is a wasteful number, since it uses less digits than its factorization.

73976013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330 (or 327 counting only the distinct ones).

The product of its (nonzero) digits is 23814, while the sum is 36.

The square root of 73976013 is about 8600.9309379857. The cubic root of 73976013 is about 419.7882776423.

The spelling of 73976013 in words is "seventy-three million, nine hundred seventy-six thousand, thirteen".