73641401 has 4 divisors (see below), whose sum is σ = 73725312. Its totient is φ = 73557492.

The previous prime is 73641383. The next prime is 73641419. The reversal of 73641401 is 10414637.

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 an interprime number because it is at equal distance from previous prime (73641383) and next prime (73641419).

It is a cyclic number.

It is not a de Polignac number, because 73641401 - 2¹⁴ = 73625017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73641431) 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, 40625 + ... + 42398.

It is an arithmetic number, because the mean of its divisors is an integer number (18431328).

Almost surely, 2^73641401 is an apocalyptic number.

It is an amenable number.

73641401 is a deficient number, since it is larger than the sum of its proper divisors (83911).

73641401 is an equidigital number, since it uses as much as digits as its factorization.

73641401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83910.

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

The square root of 73641401 is about 8581.4568110549. The cubic root of 73641401 is about 419.1543851539.

The spelling of 73641401 in words is "seventy-three million, six hundred forty-one thousand, four hundred one".