740775728 has 100 divisors (see below), whose sum is σ = 1827618888. Its totient is φ = 288449280.

The previous prime is 740775727. The next prime is 740775767. The reversal of 740775728 is 827577047.

It is not an unprimeable number, because it can be changed into a prime (740775727) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 421700 + ... + 423452.

Almost surely, 2^740775728 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 740775728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (913809444).

740775728 is an abundant number, since it is smaller than the sum of its proper divisors (1086843160).

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

740775728 is a wasteful number, since it uses less digits than its factorization.

740775728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1800 (or 1773 counting only the distinct ones).

The product of its (nonzero) digits is 768320, while the sum is 47.

The square root of 740775728 is about 27217.1954469964. The cubic root of 740775728 is about 904.8201174790.

The spelling of 740775728 in words is "seven hundred forty million, seven hundred seventy-five thousand, seven hundred twenty-eight".