744490057 has 4 divisors (see below), whose sum is σ = 751448016. Its totient is φ = 737532100.

The previous prime is 744490051. The next prime is 744490063. The reversal of 744490057 is 750094447.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (744490051) and next prime (744490063).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-744490057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (744490051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3478819 + ... + 3479032.

It is an arithmetic number, because the mean of its divisors is an integer number (187862004).

Almost surely, 2^744490057 is an apocalyptic number.

It is an amenable number.

744490057 is a deficient number, since it is larger than the sum of its proper divisors (6957959).

744490057 is a wasteful number, since it uses less digits than its factorization.

744490057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6957958.

The product of its (nonzero) digits is 141120, while the sum is 40.

The square root of 744490057 is about 27285.3450958569. The cubic root of 744490057 is about 906.3298852957.

The spelling of 744490057 in words is "seven hundred forty-four million, four hundred ninety thousand, fifty-seven".