742666248 has 96 divisors (see below), whose sum is σ = 2057140800. Its totient is φ = 241987200.

The previous prime is 742666237. The next prime is 742666271. The reversal of 742666248 is 842666247.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 669118 + ... + 670226.

It is an arithmetic number, because the mean of its divisors is an integer number (21428550).

Almost surely, 2^742666248 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 742666248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1028570400).

742666248 is an abundant number, since it is smaller than the sum of its proper divisors (1314474552).

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

742666248 is a wasteful number, since it uses less digits than its factorization.

742666248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1323 (or 1316 counting only the distinct ones).

The product of its digits is 774144, while the sum is 45.

The square root of 742666248 is about 27251.9035665401. The cubic root of 742666248 is about 905.5891884871.

Subtracting 742666248 from its reverse (842666247), we obtain a palindrome (99999999).

The spelling of 742666248 in words is "seven hundred forty-two million, six hundred sixty-six thousand, two hundred forty-eight".