73464863744 has 88 divisors (see below), whose sum is σ = 154971819600. Its totient is φ = 34712616960.

The previous prime is 73464863699. The next prime is 73464863777. The reversal of 73464863744 is 44736846437.

It is a self number, because there is not a number n which added to its sum of digits gives 73464863744.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8186492 + ... + 8195460.

Almost surely, 2^73464863744 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 73464863744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77485909800).

73464863744 is an abundant number, since it is smaller than the sum of its proper divisors (81506955856).

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

73464863744 is a wasteful number, since it uses less digits than its factorization.

73464863744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9429 (or 9411 counting only the distinct ones).

The product of its digits is 32514048, while the sum is 56.

The spelling of 73464863744 in words is "seventy-three billion, four hundred sixty-four million, eight hundred sixty-three thousand, seven hundred forty-four".