39407072347 has 4 divisors (see below), whose sum is σ = 39431504880. Its totient is φ = 39382639816.

The previous prime is 39407072297. The next prime is 39407072363. The reversal of 39407072347 is 74327070493.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74327070493 = 13 ⋅5717466961.

It is a cyclic number.

It is not a de Polignac number, because 39407072347 - 2¹⁹ = 39406548059 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 39407072297 and 39407072306.

It is not an unprimeable number, because it can be changed into a prime (39407072147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12213847 + ... + 12217072.

It is an arithmetic number, because the mean of its divisors is an integer number (9857876220).

Almost surely, 2^39407072347 is an apocalyptic number.

39407072347 is a deficient number, since it is larger than the sum of its proper divisors (24432533).

39407072347 is a wasteful number, since it uses less digits than its factorization.

39407072347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24432532.

The product of its (nonzero) digits is 889056, while the sum is 46.

The spelling of 39407072347 in words is "thirty-nine billion, four hundred seven million, seventy-two thousand, three hundred forty-seven".