73995402240 has 528 divisors, whose sum is σ = 276247726560. Its totient is φ = 18245222400.

The previous prime is 73995402203. The next prime is 73995402259. The reversal of 73995402240 is 4220459937.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 46217440 + ... + 46219040.

Almost surely, 2^73995402240 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 73995402240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138123863280).

73995402240 is an abundant number, since it is smaller than the sum of its proper divisors (202252324320).

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

73995402240 is a wasteful number, since it uses less digits than its factorization.

73995402240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1708 (or 1687 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 45.

The spelling of 73995402240 in words is "seventy-three billion, nine hundred ninety-five million, four hundred two thousand, two hundred forty".