73425512220 has 24 divisors (see below), whose sum is σ = 205591434384. Its totient is φ = 19580136576.

The previous prime is 73425512203. The next prime is 73425512233. The reversal of 73425512220 is 2221552437.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 611879209 + ... + 611879328.

It is an arithmetic number, because the mean of its divisors is an integer number (8566309766).

Almost surely, 2^73425512220 is an apocalyptic number.

It is an amenable number.

73425512220 is an abundant number, since it is smaller than the sum of its proper divisors (132165922164).

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

73425512220 is a wasteful number, since it uses less digits than its factorization.

73425512220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1223758549 (or 1223758547 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 33.

The spelling of 73425512220 in words is "seventy-three billion, four hundred twenty-five million, five hundred twelve thousand, two hundred twenty".