747421355347 has 4 divisors (see below), whose sum is σ = 752876985816. Its totient is φ = 741965724880.

The previous prime is 747421355321. The next prime is 747421355371. The reversal of 747421355347 is 743553124747.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 743553124747 = 41 ⋅18135442067.

It is a cyclic number.

It is not a de Polignac number, because 747421355347 - 2¹⁵ = 747421322579 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 747421355294 and 747421355303.

It is not an unprimeable number, because it can be changed into a prime (747421355047) 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 3 ways as a sum of consecutive naturals, for example, 2727815029 + ... + 2727815302.

It is an arithmetic number, because the mean of its divisors is an integer number (188219246454).

Almost surely, 2^747421355347 is an apocalyptic number.

747421355347 is a deficient number, since it is larger than the sum of its proper divisors (5455630469).

747421355347 is a wasteful number, since it uses less digits than its factorization.

747421355347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5455630468.

The product of its digits is 9878400, while the sum is 52.

The spelling of 747421355347 in words is "seven hundred forty-seven billion, four hundred twenty-one million, three hundred fifty-five thousand, three hundred forty-seven".