73470171420 has 96 divisors (see below), whose sum is σ = 228653187840. Its totient is φ = 19585247040.

The previous prime is 73470171419. The next prime is 73470171431. The reversal of 73470171420 is 2417107437.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1642755 + ... + 1686885.

It is an arithmetic number, because the mean of its divisors is an integer number (2381804040).

Almost surely, 2^73470171420 is an apocalyptic number.

It is an amenable number.

73470171420 is an abundant number, since it is smaller than the sum of its proper divisors (155183016420).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

73470171420 is a wasteful number, since it uses less digits than its factorization.

73470171420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47232 (or 47224 counting only the distinct ones).

The product of its (nonzero) digits is 32928, while the sum is 36.

Adding to 73470171420 its reverse (2417107437), we get a palindrome (75887278857).

It can be divided in two parts, 7347017 and 1420, that added together give a palindrome (7348437).

The spelling of 73470171420 in words is "seventy-three billion, four hundred seventy million, one hundred seventy-one thousand, four hundred twenty".