73651013420 has 24 divisors (see below), whose sum is σ = 154736177904. Its totient is φ = 29447253056.

The previous prime is 73651013377. The next prime is 73651013431. The reversal of 73651013420 is 2431015637.

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 7 ways as a sum of consecutive naturals, for example, 776039 + ... + 865758.

It is an arithmetic number, because the mean of its divisors is an integer number (6447340746).

Almost surely, 2^73651013420 is an apocalyptic number.

It is an amenable number.

73651013420 is an abundant number, since it is smaller than the sum of its proper divisors (81085164484).

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

73651013420 is a wasteful number, since it uses less digits than its factorization.

73651013420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1644049 (or 1644047 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 32.

The spelling of 73651013420 in words is "seventy-three billion, six hundred fifty-one million, thirteen thousand, four hundred twenty".