73311370740 has 72 divisors (see below), whose sum is σ = 223163767008. Its totient is φ = 19480605120.

The previous prime is 73311370739. The next prime is 73311370771. The reversal of 73311370740 is 4707311337.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 73311370695 and 73311370704.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 668646 + ... + 770525.

It is an arithmetic number, because the mean of its divisors is an integer number (3099496764).

Almost surely, 2^73311370740 is an apocalyptic number.

It is an amenable number.

73311370740 is an abundant number, since it is smaller than the sum of its proper divisors (149852396268).

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

73311370740 is a wasteful number, since it uses less digits than its factorization.

73311370740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1439469 (or 1439464 counting only the distinct ones).

The product of its (nonzero) digits is 37044, while the sum is 36.

The spelling of 73311370740 in words is "seventy-three billion, three hundred eleven million, three hundred seventy thousand, seven hundred forty".