740279568 has 80 divisors (see below), whose sum is σ = 2215600256. Its totient is φ = 208604160.

The previous prime is 740279557. The next prime is 740279581. The reversal of 740279568 is 865972047.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 9438 + ... + 39618.

Almost surely, 2^740279568 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 740279568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1107800128).

740279568 is an abundant number, since it is smaller than the sum of its proper divisors (1475320688).

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

740279568 is a wasteful number, since it uses less digits than its factorization.

740279568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30272 (or 30266 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 48.

The square root of 740279568 is about 27208.0790942690. The cubic root of 740279568 is about 904.6180609051.

The spelling of 740279568 in words is "seven hundred forty million, two hundred seventy-nine thousand, five hundred sixty-eight".