740610247 has 8 divisors (see below), whose sum is σ = 799536080. Its totient is φ = 681963840.

The previous prime is 740610239. The next prime is 740610257. The reversal of 740610247 is 742016047.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 740610247 - 2³ = 740610239 is a prime.

It is a super-2 number, since 2×740610247² = 1097007075922802018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (740610217) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 64329 + ... + 74962.

It is an arithmetic number, because the mean of its divisors is an integer number (99942010).

Almost surely, 2^740610247 is an apocalyptic number.

740610247 is a deficient number, since it is larger than the sum of its proper divisors (58925833).

740610247 is a wasteful number, since it uses less digits than its factorization.

740610247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139713.

The product of its (nonzero) digits is 9408, while the sum is 31.

The square root of 740610247 is about 27214.1552689037. The cubic root of 740610247 is about 904.7527369017.

The spelling of 740610247 in words is "seven hundred forty million, six hundred ten thousand, two hundred forty-seven".