73373043165696 has 1280 divisors, whose sum is σ = 256079638425600. Its totient is φ = 20571470954496.

The previous prime is 73373043165607. The next prime is 73373043165731. The reversal of 73373043165696 is 69656134037337.

It is a happy number.

73373043165696 is a `hidden beast` number, since 7 + 3 + 3 + 7 + 30 + 4 + 31 + 6 + 569 + 6 = 666.

It is a super-2 number, since 2×73373043165696² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 7496985315 + ... + 7496995101.

It is an arithmetic number, because the mean of its divisors is an integer number (200062217520).

Almost surely, 2^{73373043165696} is an apocalyptic number.

73373043165696 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 73373043165696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128039819212800).

73373043165696 is an abundant number, since it is smaller than the sum of its proper divisors (182706595259904).

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

73373043165696 is a wasteful number, since it uses less digits than its factorization.

73373043165696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9946 (or 9924 counting only the distinct ones).

The product of its (nonzero) digits is 154314720, while the sum is 63.

The spelling of 73373043165696 in words is "seventy-three trillion, three hundred seventy-three billion, forty-three million, one hundred sixty-five thousand, six hundred ninety-six".