47140739 has 16 divisors (see below), whose sum is σ = 50163456. Its totient is φ = 44236800.

The previous prime is 47140733. The next prime is 47140757. The reversal of 47140739 is 93704174.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47140739 is a prime.

It is a super-2 number, since 2×47140739² = 4444498546932242, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 47140699 and 47140708.

It is not an unprimeable number, because it can be changed into a prime (47140733) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 183299 + ... + 183555.

It is an arithmetic number, because the mean of its divisors is an integer number (3135216).

Almost surely, 2^47140739 is an apocalyptic number.

47140739 is a deficient number, since it is larger than the sum of its proper divisors (3022717).

47140739 is a wasteful number, since it uses less digits than its factorization.

47140739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446.

The product of its (nonzero) digits is 21168, while the sum is 35.

The square root of 47140739 is about 6865.9113743188. The cubic root of 47140739 is about 361.2424636543.

The spelling of 47140739 in words is "forty-seven million, one hundred forty thousand, seven hundred thirty-nine".