740349613 has 8 divisors (see below), whose sum is σ = 786579480. Its totient is φ = 695499840.

The previous prime is 740349581. The next prime is 740349637. The reversal of 740349613 is 316943047.

It can be written as a sum of positive squares in 4 ways, for example, as 108430569 + 631919044 = 10413^2 + 25138^2 .

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 740349613 - 2⁵ = 740349581 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (740349713) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 343918 + ... + 346063.

It is an arithmetic number, because the mean of its divisors is an integer number (98322435).

Almost surely, 2^740349613 is an apocalyptic number.

It is an amenable number.

740349613 is a deficient number, since it is larger than the sum of its proper divisors (46229867).

740349613 is a wasteful number, since it uses less digits than its factorization.

740349613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690047.

The product of its (nonzero) digits is 54432, while the sum is 37.

The square root of 740349613 is about 27209.3662733993. The cubic root of 740349613 is about 904.6465915560.

The spelling of 740349613 in words is "seven hundred forty million, three hundred forty-nine thousand, six hundred thirteen".