45743739 has 4 divisors (see below), whose sum is σ = 60991656. Its totient is φ = 30495824.

The previous prime is 45743713. The next prime is 45743777. The reversal of 45743739 is 93734754.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 45743739 - 2⁸ = 45743483 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45743739.

It is not an unprimeable number, because it can be changed into a prime (45743339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7623954 + ... + 7623959.

It is an arithmetic number, because the mean of its divisors is an integer number (15247914).

Almost surely, 2^45743739 is an apocalyptic number.

45743739 is a deficient number, since it is larger than the sum of its proper divisors (15247917).

45743739 is a wasteful number, since it uses less digits than its factorization.

45743739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15247916.

The product of its digits is 317520, while the sum is 42.

The square root of 45743739 is about 6763.4117869608. The cubic root of 45743739 is about 357.6381887082.

The spelling of 45743739 in words is "forty-five million, seven hundred forty-three thousand, seven hundred thirty-nine".