740272280 has 64 divisors (see below), whose sum is σ = 1844225280. Its totient is φ = 265161600.

The previous prime is 740272279. The next prime is 740272289. The reversal of 740272280 is 82272047.

It is a happy number.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (740272289) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16925 + ... + 42035.

It is an arithmetic number, because the mean of its divisors is an integer number (28816020).

Almost surely, 2^740272280 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 740272280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (922112640).

740272280 is an abundant number, since it is smaller than the sum of its proper divisors (1103953000).

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

740272280 is a wasteful number, since it uses less digits than its factorization.

740272280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25200 (or 25196 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 32.

The square root of 740272280 is about 27207.9451631320. The cubic root of 740272280 is about 904.6150922617.

The spelling of 740272280 in words is "seven hundred forty million, two hundred seventy-two thousand, two hundred eighty".