47000749 has 2 divisors, whose sum is σ = 47000750. Its totient is φ = 47000748.

The previous prime is 47000747. The next prime is 47000761. The reversal of 47000749 is 94700074.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28355625 + 18645124 = 5325^2 + 4318^2 .

It is a cyclic number.

It is not a de Polignac number, because 47000749 - 2¹ = 47000747 is a prime.

It is a super-2 number, since 2×47000749² = 4418140813122002, which contains 22 as substring.

Together with 47000747, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 47000749.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47000741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23500374 + 23500375.

It is an arithmetic number, because the mean of its divisors is an integer number (23500375).

Almost surely, 2^47000749 is an apocalyptic number.

It is an amenable number.

47000749 is a deficient number, since it is larger than the sum of its proper divisors (1).

47000749 is an equidigital number, since it uses as much as digits as its factorization.

47000749 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 47000749 is about 6855.7092266227. The cubic root of 47000749 is about 360.8845250326.

The spelling of 47000749 in words is "forty-seven million, seven hundred forty-nine", and thus it is an aban number.