47012319 has 20 divisors (see below), whose sum is σ = 70436520. Its totient is φ = 31248720.

The previous prime is 47012309. The next prime is 47012341. The reversal of 47012319 is 91321074.

It is not a de Polignac number, because 47012319 - 2¹³ = 47004127 is a prime.

It is a super-2 number, since 2×47012319² = 4420316275515522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 47012292 and 47012301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47012309) 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 19 ways as a sum of consecutive naturals, for example, 36712 + ... + 37970.

It is an arithmetic number, because the mean of its divisors is an integer number (3521826).

Almost surely, 2^47012319 is an apocalyptic number.

47012319 is a deficient number, since it is larger than the sum of its proper divisors (23424201).

47012319 is a wasteful number, since it uses less digits than its factorization.

47012319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1732 (or 1723 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 47012319 is about 6856.5529969512. The cubic root of 47012319 is about 360.9141351379.

The spelling of 47012319 in words is "forty-seven million, twelve thousand, three hundred nineteen".