740379757 has 8 divisors (see below), whose sum is σ = 805553336. Its totient is φ = 676380672.

The previous prime is 740379743. The next prime is 740379791. The reversal of 740379757 is 757973047.

It can be written as a sum of positive squares in 4 ways, for example, as 45846441 + 694533316 = 6771^2 + 26354^2 .

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 740379757 - 2¹⁹ = 739855469 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 740379757.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (740379457) 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, 292308 + ... + 294829.

It is an arithmetic number, because the mean of its divisors is an integer number (100694167).

Almost surely, 2^740379757 is an apocalyptic number.

It is an amenable number.

740379757 is a deficient number, since it is larger than the sum of its proper divisors (65173579).

740379757 is a wasteful number, since it uses less digits than its factorization.

740379757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 587247.

The product of its (nonzero) digits is 1296540, while the sum is 49.

The square root of 740379757 is about 27209.9201946643. The cubic root of 740379757 is about 904.6588692224.

The spelling of 740379757 in words is "seven hundred forty million, three hundred seventy-nine thousand, seven hundred fifty-seven".