73354390956 has 432 divisors, whose sum is σ = 244052250624. Its totient is φ = 18162144000.

The previous prime is 73354390943. The next prime is 73354391051. The reversal of 73354390956 is 65909345337.

73354390956 is a `hidden beast` number, since 7 + 3 + 3 + 543 + 9 + 0 + 95 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 67112346 + ... + 67113438.

Almost surely, 2^73354390956 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 73354390956, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122026125312).

73354390956 is an abundant number, since it is smaller than the sum of its proper divisors (170697859668).

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

73354390956 is a wasteful number, since it uses less digits than its factorization.

73354390956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1234 (or 1218 counting only the distinct ones).

The product of its (nonzero) digits is 9185400, while the sum is 54.

The spelling of 73354390956 in words is "seventy-three billion, three hundred fifty-four million, three hundred ninety thousand, nine hundred fifty-six".