73002121013 has 8 divisors (see below), whose sum is σ = 73194703200. Its totient is φ = 72809790768.

The previous prime is 73002121009. The next prime is 73002121067. The reversal of 73002121013 is 31012120037.

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 73002121013 - 2² = 73002121009 is a prime.

It is a super-2 number, since 2×73002121013² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73002321013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 524483 + ... + 648911.

It is an arithmetic number, because the mean of its divisors is an integer number (9149337900).

Almost surely, 2^73002121013 is an apocalyptic number.

It is an amenable number.

73002121013 is a deficient number, since it is larger than the sum of its proper divisors (192582187).

73002121013 is a wasteful number, since it uses less digits than its factorization.

73002121013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125971.

The product of its (nonzero) digits is 252, while the sum is 20.

The spelling of 73002121013 in words is "seventy-three billion, two million, one hundred twenty-one thousand, thirteen".