73745770039 has 16 divisors (see below), whose sum is σ = 76100290560. Its totient is φ = 71424733600.

The previous prime is 73745770037. The next prime is 73745770069. The reversal of 73745770039 is 93007754737.

It is a cyclic number.

It is not a de Polignac number, because 73745770039 - 2¹ = 73745770037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73745770037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14632482 + ... + 14637520.

It is an arithmetic number, because the mean of its divisors is an integer number (4756268160).

Almost surely, 2^73745770039 is an apocalyptic number.

73745770039 is a deficient number, since it is larger than the sum of its proper divisors (2354520521).

73745770039 is a wasteful number, since it uses less digits than its factorization.

73745770039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8270.

The product of its (nonzero) digits is 3889620, while the sum is 52.

The spelling of 73745770039 in words is "seventy-three billion, seven hundred forty-five million, seven hundred seventy thousand, thirty-nine".