44757913 has 2 divisors, whose sum is σ = 44757914. Its totient is φ = 44757912.

The previous prime is 44757899. The next prime is 44757919. The reversal of 44757913 is 31975744.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28005264 + 16752649 = 5292^2 + 4093^2 .

It is a cyclic number.

It is not a de Polignac number, because 44757913 - 2¹³ = 44749721 is a prime.

It is a super-2 number, since 2×44757913² = 4006541552231138, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (44757919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22378956 + 22378957.

It is an arithmetic number, because the mean of its divisors is an integer number (22378957).

Almost surely, 2^44757913 is an apocalyptic number.

It is an amenable number.

44757913 is a deficient number, since it is larger than the sum of its proper divisors (1).

44757913 is an equidigital number, since it uses as much as digits as its factorization.

44757913 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 105840, while the sum is 40.

The square root of 44757913 is about 6690.1354993752. The cubic root of 44757913 is about 355.0503479473.

The spelling of 44757913 in words is "forty-four million, seven hundred fifty-seven thousand, nine hundred thirteen".