744200157 has 4 divisors (see below), whose sum is σ = 992266880. Its totient is φ = 496133436.

The previous prime is 744200153. The next prime is 744200159. The reversal of 744200157 is 751002447.

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 not a de Polignac number, because 744200157 - 2² = 744200153 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (744200153) 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, 124033357 + ... + 124033362.

It is an arithmetic number, because the mean of its divisors is an integer number (248066720).

Almost surely, 2^744200157 is an apocalyptic number.

It is an amenable number.

744200157 is a deficient number, since it is larger than the sum of its proper divisors (248066723).

744200157 is a wasteful number, since it uses less digits than its factorization.

744200157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248066722.

The product of its (nonzero) digits is 7840, while the sum is 30.

The square root of 744200157 is about 27280.0322030602. The cubic root of 744200157 is about 906.2122302008.

The spelling of 744200157 in words is "seven hundred forty-four million, two hundred thousand, one hundred fifty-seven".