740259252 has 18 divisors (see below), whose sum is σ = 1871210978. Its totient is φ = 246753072.

The previous prime is 740259197. The next prime is 740259263. The reversal of 740259252 is 252952047.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 495774756 + 244484496 = 22266^2 + 15636^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 20562757 = 740259252 / (7 + 4 + 0 + 2 + 5 + 9 + 2 + 5 + 2).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10281343 + ... + 10281414.

Almost surely, 2^740259252 is an apocalyptic number.

It is an amenable number.

740259252 is an abundant number, since it is smaller than the sum of its proper divisors (1130951726).

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

740259252 is a wasteful number, since it uses less digits than its factorization.

740259252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20562767 (or 20562762 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 740259252 is about 27207.7057467182. The cubic root of 740259252 is about 904.6097854781.

The spelling of 740259252 in words is "seven hundred forty million, two hundred fifty-nine thousand, two hundred fifty-two".