73176060672 has 648 divisors, whose sum is σ = 254608971344. Its totient is φ = 20072448000.

The previous prime is 73176060641. The next prime is 73176060689. The reversal of 73176060672 is 27606067137.

73176060672 is a `hidden beast` number, since 7 + 31 + 7 + 6 + 0 + 606 + 7 + 2 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 221075547 + ... + 221075877.

Almost surely, 2^73176060672 is an apocalyptic number.

73176060672 is a gapful number since it is divisible by the number (72) 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 73176060672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127304485672).

73176060672 is an abundant number, since it is smaller than the sum of its proper divisors (181432910672).

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

73176060672 is a wasteful number, since it uses less digits than its factorization.

73176060672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449 (or 421 counting only the distinct ones).

The product of its (nonzero) digits is 444528, while the sum is 45.

The spelling of 73176060672 in words is "seventy-three billion, one hundred seventy-six million, sixty thousand, six hundred seventy-two".