73706733673340 has 24 divisors (see below), whose sum is σ = 154784302559712. Its totient is φ = 29482662641600.

The previous prime is 73706733673337. The next prime is 73706733673351. The reversal of 73706733673340 is 4337633760737.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 73706733673340.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34204865 + ... + 36295815.

It is an arithmetic number, because the mean of its divisors is an integer number (6449345939988).

Almost surely, 2^{73706733673340} is an apocalyptic number.

It is an amenable number.

73706733673340 is an abundant number, since it is smaller than the sum of its proper divisors (81077568886372).

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

73706733673340 is a wasteful number, since it uses less digits than its factorization.

73706733673340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3853477 (or 3853475 counting only the distinct ones).

The product of its (nonzero) digits is 84015792, while the sum is 59.

The spelling of 73706733673340 in words is "seventy-three trillion, seven hundred six billion, seven hundred thirty-three million, six hundred seventy-three thousand, three hundred forty".