49772731 has 2 divisors, whose sum is σ = 49772732. Its totient is φ = 49772730.

The previous prime is 49772717. The next prime is 49772783. The reversal of 49772731 is 13727794.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 49772731 - 2⁷ = 49772603 is a prime.

It is a super-2 number, since 2×49772731² = 4954649502396722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (49772531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24886365 + 24886366.

It is an arithmetic number, because the mean of its divisors is an integer number (24886366).

Almost surely, 2^49772731 is an apocalyptic number.

49772731 is a deficient number, since it is larger than the sum of its proper divisors (1).

49772731 is an equidigital number, since it uses as much as digits as its factorization.

49772731 is an evil number, because the sum of its binary digits is even.

The product of its digits is 74088, while the sum is 40.

The square root of 49772731 is about 7054.9791636829. The cubic root of 49772731 is about 367.8441245760.

The spelling of 49772731 in words is "forty-nine million, seven hundred seventy-two thousand, seven hundred thirty-one".