49397737 has 2 divisors, whose sum is σ = 49397738. Its totient is φ = 49397736.

The previous prime is 49397731. The next prime is 49397741. The reversal of 49397737 is 73779394.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38081241 + 11316496 = 6171^2 + 3364^2 .

It is a cyclic number.

It is not a de Polignac number, because 49397737 - 2¹⁹ = 48873449 is a prime.

It is not a weakly prime, because it can be changed into another prime (49397731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24698868 + 24698869.

It is an arithmetic number, because the mean of its divisors is an integer number (24698869).

Almost surely, 2^49397737 is an apocalyptic number.

It is an amenable number.

49397737 is a deficient number, since it is larger than the sum of its proper divisors (1).

49397737 is an equidigital number, since it uses as much as digits as its factorization.

49397737 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1000188, while the sum is 49.

The square root of 49397737 is about 7028.3523673760. The cubic root of 49397737 is about 366.9180002264.

The spelling of 49397737 in words is "forty-nine million, three hundred ninety-seven thousand, seven hundred thirty-seven".