47168749 has 2 divisors, whose sum is σ = 47168750. Its totient is φ = 47168748.

The previous prime is 47168741. The next prime is 47168783. The reversal of 47168749 is 94786174.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41190724 + 5978025 = 6418^2 + 2445^2 .

It is a cyclic number.

It is not a de Polignac number, because 47168749 - 2³ = 47168741 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 47168699 and 47168708.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47168741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23584374 + 23584375.

It is an arithmetic number, because the mean of its divisors is an integer number (23584375).

Almost surely, 2^47168749 is an apocalyptic number.

It is an amenable number.

47168749 is a deficient number, since it is larger than the sum of its proper divisors (1).

47168749 is an equidigital number, since it uses as much as digits as its factorization.

47168749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 338688, while the sum is 46.

The square root of 47168749 is about 6867.9508588807. The cubic root of 47168749 is about 361.3139969553.

The spelling of 47168749 in words is "forty-seven million, one hundred sixty-eight thousand, seven hundred forty-nine".