73703400007 has 4 divisors (see below), whose sum is σ = 73720000576. Its totient is φ = 73686799440.

The previous prime is 73703399983. The next prime is 73703400011. The reversal of 73703400007 is 70000430737.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70000430737 = 1129 ⋅62002153.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73703400007 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 (73703400077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8293623 + ... + 8302504.

It is an arithmetic number, because the mean of its divisors is an integer number (18430000144).

Almost surely, 2^73703400007 is an apocalyptic number.

73703400007 is a deficient number, since it is larger than the sum of its proper divisors (16600569).

73703400007 is a wasteful number, since it uses less digits than its factorization.

73703400007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16600568.

The product of its (nonzero) digits is 12348, while the sum is 31.

The spelling of 73703400007 in words is "seventy-three billion, seven hundred three million, four hundred thousand, seven".