740525280 has 192 divisors, whose sum is σ = 2565561600. Its totient is φ = 178053120.

The previous prime is 740525249. The next prime is 740525281. The reversal of 740525280 is 82525047.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (740525281) by changing a digit.

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 in 31 ways as a sum of consecutive naturals, for example, 733416 + ... + 734424.

It is an arithmetic number, because the mean of its divisors is an integer number (13362300).

Almost surely, 2^740525280 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 740525280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1282780800).

740525280 is an abundant number, since it is smaller than the sum of its proper divisors (1825036320).

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

740525280 is a wasteful number, since it uses less digits than its factorization.

740525280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1177 (or 1169 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 33.

The square root of 740525280 is about 27212.5941431536. The cubic root of 740525280 is about 904.7181361265.

The spelling of 740525280 in words is "seven hundred forty million, five hundred twenty-five thousand, two hundred eighty".