742768512 has 32 divisors (see below), whose sum is σ = 1972979880. Its totient is φ = 247589376.

The previous prime is 742768511. The next prime is 742768567. The reversal of 742768512 is 215867247.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742768511) 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, 966763 + ... + 967530.

Almost surely, 2^742768512 is an apocalyptic number.

It is an amenable number.

742768512 is an abundant number, since it is smaller than the sum of its proper divisors (1230211368).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

742768512 is a wasteful number, since it uses less digits than its factorization.

742768512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1934310 (or 1934298 counting only the distinct ones).

The product of its digits is 188160, while the sum is 42.

The square root of 742768512 is about 27253.7797745560. The cubic root of 742768512 is about 905.6307526589.

The spelling of 742768512 in words is "seven hundred forty-two million, seven hundred sixty-eight thousand, five hundred twelve".