73740336740 has 96 divisors (see below), whose sum is σ = 183081959424. Its totient is φ = 24413777280.

The previous prime is 73740336737. The next prime is 73740336793. The reversal of 73740336740 is 4763304737.

It is a junction number, because it is equal to n+sod(n) for n = 73740336691 and 73740336700.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2008589 + ... + 2044971.

It is an arithmetic number, because the mean of its divisors is an integer number (1907103744).

Almost surely, 2^73740336740 is an apocalyptic number.

73740336740 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 73740336740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91540979712).

73740336740 is an abundant number, since it is smaller than the sum of its proper divisors (109341622684).

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

73740336740 is a wasteful number, since it uses less digits than its factorization.

73740336740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36897 (or 36895 counting only the distinct ones).

The product of its (nonzero) digits is 889056, while the sum is 44.

The spelling of 73740336740 in words is "seventy-three billion, seven hundred forty million, three hundred thirty-six thousand, seven hundred forty".