742651144 has 8 divisors (see below), whose sum is σ = 1392470910. Its totient is φ = 371325568.

The previous prime is 742651141. The next prime is 742651193. The reversal of 742651144 is 441156247.

It can be written as a sum of positive squares in only one way, i.e., 720278244 + 22372900 = 26838^2 + 4730^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (742651141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46415689 + ... + 46415704.

Almost surely, 2^742651144 is an apocalyptic number.

It is an amenable number.

742651144 is a deficient number, since it is larger than the sum of its proper divisors (649819766).

742651144 is a wasteful number, since it uses less digits than its factorization.

742651144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92831399 (or 92831395 counting only the distinct ones).

The product of its digits is 26880, while the sum is 34.

The square root of 742651144 is about 27251.6264468747. The cubic root of 742651144 is about 905.5830492952.

The spelling of 742651144 in words is "seven hundred forty-two million, six hundred fifty-one thousand, one hundred forty-four".