73421420674 has 16 divisors (see below), whose sum is σ = 126698841216. Its totient is φ = 31257936000.

The previous prime is 73421420671. The next prime is 73421420693. The reversal of 73421420674 is 47602412437.

It is a super-2 number, since 2×73421420674² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (73421420671) by changing a digit.

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, 17363407 + ... + 17367634.

It is an arithmetic number, because the mean of its divisors is an integer number (7918677576).

Almost surely, 2^73421420674 is an apocalyptic number.

73421420674 is a deficient number, since it is larger than the sum of its proper divisors (53277420542).

73421420674 is a wasteful number, since it uses less digits than its factorization.

73421420674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34731201.

The product of its (nonzero) digits is 225792, while the sum is 40.

The spelling of 73421420674 in words is "seventy-three billion, four hundred twenty-one million, four hundred twenty thousand, six hundred seventy-four".