49629973 has 2 divisors, whose sum is σ = 49629974. Its totient is φ = 49629972.

The previous prime is 49629961. The next prime is 49630037. The reversal of 49629973 is 37992694.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49308484 + 321489 = 7022^2 + 567^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49629973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49629473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24814986 + 24814987.

It is an arithmetic number, because the mean of its divisors is an integer number (24814987).

Almost surely, 2^49629973 is an apocalyptic number.

It is an amenable number.

49629973 is a deficient number, since it is larger than the sum of its proper divisors (1).

49629973 is an equidigital number, since it uses as much as digits as its factorization.

49629973 is an evil number, because the sum of its binary digits is even.

The product of its digits is 734832, while the sum is 49.

The square root of 49629973 is about 7044.8543632924. The cubic root of 49629973 is about 367.4921046632.

The spelling of 49629973 in words is "forty-nine million, six hundred twenty-nine thousand, nine hundred seventy-three".