73187880481 has 8 divisors (see below), whose sum is σ = 74001768480. Its totient is φ = 72376398048.

The previous prime is 73187880473. The next prime is 73187880529. The reversal of 73187880481 is 18408878137.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 73187880481 - 2³ = 73187880473 is a prime.

It is a super-2 number, since 2×73187880481² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73187880461) 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, 540171 + ... + 661936.

It is an arithmetic number, because the mean of its divisors is an integer number (9250221060).

Almost surely, 2^73187880481 is an apocalyptic number.

It is an amenable number.

73187880481 is a deficient number, since it is larger than the sum of its proper divisors (813887999).

73187880481 is a wasteful number, since it uses less digits than its factorization.

73187880481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1202783.

The product of its (nonzero) digits is 2408448, while the sum is 55.

The spelling of 73187880481 in words is "seventy-three billion, one hundred eighty-seven million, eight hundred eighty thousand, four hundred eighty-one".