73460315538 has 48 divisors (see below), whose sum is σ = 164455978752. Its totient is φ = 23674140000.

The previous prime is 73460315531. The next prime is 73460315573. The reversal of 73460315538 is 83551306437.

73460315538 is a `hidden beast` number, since 7 + 3 + 4 + 60 + 31 + 553 + 8 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 73460315493 and 73460315502.

It is not an unprimeable number, because it can be changed into a prime (73460315531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 523828 + ... + 649088.

It is an arithmetic number, because the mean of its divisors is an integer number (3426166224).

Almost surely, 2^73460315538 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 73460315538, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82227989376).

73460315538 is an abundant number, since it is smaller than the sum of its proper divisors (90995663214).

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

73460315538 is a wasteful number, since it uses less digits than its factorization.

73460315538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126351 (or 126348 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 45.

The spelling of 73460315538 in words is "seventy-three billion, four hundred sixty million, three hundred fifteen thousand, five hundred thirty-eight".