73464846420 has 144 divisors (see below), whose sum is σ = 240719955840. Its totient is φ = 16691302656.

The previous prime is 73464846409. The next prime is 73464846421. The reversal of 73464846420 is 2464846437.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 73464846420.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73464846421) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 416166 + ... + 565794.

It is an arithmetic number, because the mean of its divisors is an integer number (1671666360).

Almost surely, 2^73464846420 is an apocalyptic number.

73464846420 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 73464846420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120359977920).

73464846420 is an abundant number, since it is smaller than the sum of its proper divisors (167255109420).

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

73464846420 is a wasteful number, since it uses less digits than its factorization.

73464846420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149822 (or 149813 counting only the distinct ones).

The product of its (nonzero) digits is 3096576, while the sum is 48.

The spelling of 73464846420 in words is "seventy-three billion, four hundred sixty-four million, eight hundred forty-six thousand, four hundred twenty".