744619149 has 20 divisors (see below), whose sum is σ = 1113296800. Its totient is φ = 495982440.

The previous prime is 744619147. The next prime is 744619153. The reversal of 744619149 is 941916447.

It is not a de Polignac number, because 744619149 - 2¹ = 744619147 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 (744619147) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 110034 + ... + 116604.

It is an arithmetic number, because the mean of its divisors is an integer number (55664840).

Almost surely, 2^744619149 is an apocalyptic number.

It is an amenable number.

744619149 is a deficient number, since it is larger than the sum of its proper divisors (368677651).

744619149 is a wasteful number, since it uses less digits than its factorization.

744619149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7982 (or 7973 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 744619149 is about 27287.7105855365. The cubic root of 744619149 is about 906.3822670903.

The spelling of 744619149 in words is "seven hundred forty-four million, six hundred nineteen thousand, one hundred forty-nine".