73351561427232 has 48 divisors (see below), whose sum is σ = 210052198635552. Its totient is φ = 22227745886720.

The previous prime is 73351561427231. The next prime is 73351561427237. The reversal of 73351561427232 is 23272416515337.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (73351561427231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34730851893 + ... + 34730854004.

It is an arithmetic number, because the mean of its divisors is an integer number (4376087471574).

Almost surely, 2^{73351561427232} is an apocalyptic number.

It is an amenable number.

73351561427232 is an abundant number, since it is smaller than the sum of its proper divisors (136700637208320).

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

73351561427232 is a wasteful number, since it uses less digits than its factorization.

73351561427232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69461705921 (or 69461705913 counting only the distinct ones).

The product of its digits is 6350400, while the sum is 51.

The spelling of 73351561427232 in words is "seventy-three trillion, three hundred fifty-one billion, five hundred sixty-one million, four hundred twenty-seven thousand, two hundred thirty-two".