742648 has 8 divisors (see below), whose sum is σ = 1392480. Its totient is φ = 371320.

The previous prime is 742619. The next prime is 742657. The reversal of 742648 is 846247.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46408 + ... + 46423.

It is an arithmetic number, because the mean of its divisors is an integer number (174060).

2⁷⁴²⁶⁴⁸ is an apocalyptic number.

It is an amenable number.

742648 is a deficient number, since it is larger than the sum of its proper divisors (649832).

742648 is a wasteful number, since it uses less digits than its factorization.

742648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92837 (or 92833 counting only the distinct ones).

The product of its digits is 10752, while the sum is 31.

The square root of 742648 is about 861.7702710119. The cubic root of 742648 is about 90.5581771370.

The spelling of 742648 in words is "seven hundred forty-two thousand, six hundred forty-eight".