73280042424 has 24 divisors (see below), whose sum is σ = 198466781760. Its totient is φ = 24426680784.

The previous prime is 73280042413. The next prime is 73280042443. The reversal of 73280042424 is 42424008237.

It is a tau number, because it is divible by the number of its divisors (24).

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 (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 508889112 + ... + 508889255.

It is an arithmetic number, because the mean of its divisors is an integer number (8269449240).

Almost surely, 2^73280042424 is an apocalyptic number.

It is an amenable number.

73280042424 is an abundant number, since it is smaller than the sum of its proper divisors (125186739336).

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

73280042424 is a wasteful number, since it uses less digits than its factorization.

73280042424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1017778379 (or 1017778372 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 36.

The spelling of 73280042424 in words is "seventy-three billion, two hundred eighty million, forty-two thousand, four hundred twenty-four".