73496876544 has 720 divisors, whose sum is σ = 270154396512. Its totient is φ = 19118260224.

The previous prime is 73496876527. The next prime is 73496876567. The reversal of 73496876544 is 44567869437.

It is a happy number.

73496876544 is a `hidden beast` number, since 7 + 3 + 4 + 9 + 6 + 87 + 6 + 544 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

Its product of digits (121927680) is a multiple of the sum of its prime divisors (98).

It is a congruent number.

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, 1006806492 + ... + 1006806564.

Almost surely, 2^73496876544 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 73496876544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135077198256).

73496876544 is an abundant number, since it is smaller than the sum of its proper divisors (196657519968).

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

73496876544 is an frugal number, since it uses more digits than its factorization.

73496876544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145 (or 98 counting only the distinct ones).

The product of its digits is 121927680, while the sum is 63.

The spelling of 73496876544 in words is "seventy-three billion, four hundred ninety-six million, eight hundred seventy-six thousand, five hundred forty-four".