73830401 has 4 divisors (see below), whose sum is σ = 73877952. Its totient is φ = 73782852.

The previous prime is 73830359. The next prime is 73830403. The reversal of 73830401 is 10403837.

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, and also an emirpimes, since its reverse is a distinct semiprime: 10403837 = 29 ⋅358753.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73830401 is a prime.

It is a super-2 number, since 2×73830401² = 10901856223641602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73830403) 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, 21365 + ... + 24578.

It is an arithmetic number, because the mean of its divisors is an integer number (18469488).

Almost surely, 2^73830401 is an apocalyptic number.

It is an amenable number.

73830401 is a deficient number, since it is larger than the sum of its proper divisors (47551).

73830401 is a wasteful number, since it uses less digits than its factorization.

73830401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47550.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 73830401 is about 8592.4618707330. The cubic root of 73830401 is about 419.5126641544.

The spelling of 73830401 in words is "seventy-three million, eight hundred thirty thousand, four hundred one".