73813901 has 4 divisors (see below), whose sum is σ = 84358752. Its totient is φ = 63269052.

The previous prime is 73813891. The next prime is 73813921. The reversal of 73813901 is 10931837.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 73813901 - 2⁶ = 73813837 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73813921) 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, 5272415 + ... + 5272428.

It is an arithmetic number, because the mean of its divisors is an integer number (21089688).

Almost surely, 2^73813901 is an apocalyptic number.

It is an amenable number.

73813901 is a deficient number, since it is larger than the sum of its proper divisors (10544851).

73813901 is a wasteful number, since it uses less digits than its factorization.

73813901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10544850.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 73813901 is about 8591.5016731652. The cubic root of 73813901 is about 419.4814102058.

The spelling of 73813901 in words is "seventy-three million, eight hundred thirteen thousand, nine hundred one".