73265013864 has 320 divisors, whose sum is σ = 246222028800. Its totient is φ = 19912003200.

The previous prime is 73265013853. The next prime is 73265013893. The reversal of 73265013864 is 46831056237.

73265013864 is a `hidden beast` number, since 7 + 3 + 265 + 0 + 1 + 386 + 4 = 666.

It is a super-2 number, since 2×73265013864² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 8291929 + ... + 8300759.

It is an arithmetic number, because the mean of its divisors is an integer number (769443840).

Almost surely, 2^73265013864 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 73265013864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123111014400).

73265013864 is an abundant number, since it is smaller than the sum of its proper divisors (172957014936).

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

73265013864 is a wasteful number, since it uses less digits than its factorization.

73265013864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8946 (or 8933 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 45.

The spelling of 73265013864 in words is "seventy-three billion, two hundred sixty-five million, thirteen thousand, eight hundred sixty-four".