73706703407 has 4 divisors (see below), whose sum is σ = 73709788776. Its totient is φ = 73703618040.

The previous prime is 73706703397. The next prime is 73706703409. The reversal of 73706703407 is 70430760737.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70430760737 = 37591 ⋅1873607.

It is a cyclic number.

It is not a de Polignac number, because 73706703407 - 2⁴ = 73706703391 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 (73706703409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1506569 + ... + 1554722.

It is an arithmetic number, because the mean of its divisors is an integer number (18427447194).

Almost surely, 2^73706703407 is an apocalyptic number.

73706703407 is a deficient number, since it is larger than the sum of its proper divisors (3085369).

73706703407 is a wasteful number, since it uses less digits than its factorization.

73706703407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3085368.

The product of its (nonzero) digits is 518616, while the sum is 44.

The spelling of 73706703407 in words is "seventy-three billion, seven hundred six million, seven hundred three thousand, four hundred seven".