49173679 has 2 divisors, whose sum is σ = 49173680. Its totient is φ = 49173678.

The previous prime is 49173623. The next prime is 49173689. The reversal of 49173679 is 97637194.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49173679 - 2¹⁷ = 49042607 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 (49173689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24586839 + 24586840.

It is an arithmetic number, because the mean of its divisors is an integer number (24586840).

Almost surely, 2^49173679 is an apocalyptic number.

49173679 is a deficient number, since it is larger than the sum of its proper divisors (1).

49173679 is an equidigital number, since it uses as much as digits as its factorization.

49173679 is an evil number, because the sum of its binary digits is even.

The product of its digits is 285768, while the sum is 46.

The square root of 49173679 is about 7012.3946694407. The cubic root of 49173679 is about 366.3624044323.

The spelling of 49173679 in words is "forty-nine million, one hundred seventy-three thousand, six hundred seventy-nine".