73246574720 has 512 divisors, whose sum is σ = 209815142400. Its totient is φ = 24164352000.

The previous prime is 73246574717. The next prime is 73246574749. The reversal of 73246574720 is 2747564237.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 383489825 + ... + 383490015.

It is an arithmetic number, because the mean of its divisors is an integer number (409795200).

Almost surely, 2^73246574720 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 73246574720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104907571200).

73246574720 is an abundant number, since it is smaller than the sum of its proper divisors (136568567680).

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

73246574720 is a wasteful number, since it uses less digits than its factorization.

73246574720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348 (or 336 counting only the distinct ones).

The product of its (nonzero) digits is 1975680, while the sum is 47.

The spelling of 73246574720 in words is "seventy-three billion, two hundred forty-six million, five hundred seventy-four thousand, seven hundred twenty".