47072704509 has 24 divisors (see below), whose sum is σ = 72084227072. Its totient is φ = 29548683360.

The previous prime is 47072704457. The next prime is 47072704543. The reversal of 47072704509 is 90540727074.

47072704509 is a `hidden beast` number, since 4 + 7 + 0 + 72 + 70 + 4 + 509 = 666.

It is not a de Polignac number, because 47072704509 - 2¹² = 47072700413 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 (47072704009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2269669 + ... + 2290314.

Almost surely, 2^47072704509 is an apocalyptic number.

It is an amenable number.

47072704509 is a deficient number, since it is larger than the sum of its proper divisors (25011522563).

47072704509 is a wasteful number, since it uses less digits than its factorization.

47072704509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4560057 (or 4560054 counting only the distinct ones).

The product of its (nonzero) digits is 493920, while the sum is 45.

The spelling of 47072704509 in words is "forty-seven billion, seventy-two million, seven hundred four thousand, five hundred nine".