49970749 has 2 divisors, whose sum is σ = 49970750. Its totient is φ = 49970748.

The previous prime is 49970707. The next prime is 49970797. The reversal of 49970749 is 94707994.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49632025 + 338724 = 7045^2 + 582^2 .

It is a cyclic number.

It is not a de Polignac number, because 49970749 - 2¹⁹ = 49446461 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 (49970449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24985374 + 24985375.

It is an arithmetic number, because the mean of its divisors is an integer number (24985375).

Almost surely, 2^49970749 is an apocalyptic number.

It is an amenable number.

49970749 is a deficient number, since it is larger than the sum of its proper divisors (1).

49970749 is an equidigital number, since it uses as much as digits as its factorization.

49970749 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 571536, while the sum is 49.

The square root of 49970749 is about 7068.9991512236. Note that the first 3 decimals coincide. The cubic root of 49970749 is about 368.3312947798.

The spelling of 49970749 in words is "forty-nine million, nine hundred seventy thousand, seven hundred forty-nine".