73471641 has 4 divisors (see below), whose sum is σ = 97962192. Its totient is φ = 48981092.

The previous prime is 73471639. The next prime is 73471661. The reversal of 73471641 is 14617437.

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: 14617437 = 3 ⋅4872479.

It is a cyclic number.

It is not a de Polignac number, because 73471641 - 2¹ = 73471639 is a prime.

It is not an unprimeable number, because it can be changed into a prime (73471661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12245271 + ... + 12245276.

It is an arithmetic number, because the mean of its divisors is an integer number (24490548).

Almost surely, 2^73471641 is an apocalyptic number.

It is an amenable number.

73471641 is a deficient number, since it is larger than the sum of its proper divisors (24490551).

73471641 is a wasteful number, since it uses less digits than its factorization.

73471641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24490550.

The product of its digits is 14112, while the sum is 33.

The square root of 73471641 is about 8571.5600097065. The cubic root of 73471641 is about 418.8320556210.

The spelling of 73471641 in words is "seventy-three million, four hundred seventy-one thousand, six hundred forty-one".