47462731 has 4 divisors (see below), whose sum is σ = 49526352. Its totient is φ = 45399112.

The previous prime is 47462711. The next prime is 47462747. The reversal of 47462731 is 13726474.

47462731 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 47462731 - 2¹¹ = 47460683 is a prime.

It is a super-2 number, since 2×47462731² = 4505421667956722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47462711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1031776 + ... + 1031821.

It is an arithmetic number, because the mean of its divisors is an integer number (12381588).

Almost surely, 2^47462731 is an apocalyptic number.

47462731 is a deficient number, since it is larger than the sum of its proper divisors (2063621).

47462731 is a wasteful number, since it uses less digits than its factorization.

47462731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2063620.

The product of its digits is 28224, while the sum is 34.

The square root of 47462731 is about 6889.3200680474. The cubic root of 47462731 is about 362.0630797760.

The spelling of 47462731 in words is "forty-seven million, four hundred sixty-two thousand, seven hundred thirty-one".