73400740737 has 16 divisors (see below), whose sum is σ = 98665237440. Its totient is φ = 48535704000.

The previous prime is 73400740733. The next prime is 73400740793. The reversal of 73400740737 is 73704700437.

It is not a de Polignac number, because 73400740737 - 2² = 73400740733 is a prime.

It is not an unprimeable number, because it can be changed into a prime (73400740733) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 359487 + ... + 525387.

It is an arithmetic number, because the mean of its divisors is an integer number (6166577340).

Almost surely, 2^73400740737 is an apocalyptic number.

It is an amenable number.

73400740737 is a deficient number, since it is larger than the sum of its proper divisors (25264496703).

73400740737 is a wasteful number, since it uses less digits than its factorization.

73400740737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167104.

The product of its (nonzero) digits is 345744, while the sum is 42.

The spelling of 73400740737 in words is "seventy-three billion, four hundred million, seven hundred forty thousand, seven hundred thirty-seven".