47742349 has 2 divisors, whose sum is σ = 47742350. Its totient is φ = 47742348.

The previous prime is 47742311. The next prime is 47742353. The reversal of 47742349 is 94324774.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36216324 + 11526025 = 6018^2 + 3395^2 .

It is a cyclic number.

It is not a de Polignac number, because 47742349 - 2¹³ = 47734157 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47742049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23871174 + 23871175.

It is an arithmetic number, because the mean of its divisors is an integer number (23871175).

Almost surely, 2^47742349 is an apocalyptic number.

It is an amenable number.

47742349 is a deficient number, since it is larger than the sum of its proper divisors (1).

47742349 is an equidigital number, since it uses as much as digits as its factorization.

47742349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 169344, while the sum is 40.

The square root of 47742349 is about 6909.5838514342. The cubic root of 47742349 is about 362.7726975415.

The spelling of 47742349 in words is "forty-seven million, seven hundred forty-two thousand, three hundred forty-nine".