73400740739 has 16 divisors (see below), whose sum is σ = 77455284480. Its totient is φ = 69365573280.

The previous prime is 73400740733. The next prime is 73400740793. The reversal of 73400740739 is 93704700437.

It is a cyclic number.

It is not a de Polignac number, because 73400740739 - 2⁴ = 73400740723 is a prime.

It is a super-2 number, since 2×73400740739² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 73400740739.

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, 14883104 + ... + 14888034.

It is an arithmetic number, because the mean of its divisors is an integer number (4840955280).

Almost surely, 2^73400740739 is an apocalyptic number.

73400740739 is a deficient number, since it is larger than the sum of its proper divisors (4054543741).

73400740739 is a wasteful number, since it uses less digits than its factorization.

73400740739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6730.

The product of its (nonzero) digits is 444528, while the sum is 44.

The spelling of 73400740739 in words is "seventy-three billion, four hundred million, seven hundred forty thousand, seven hundred thirty-nine".