740580439 has 2 divisors, whose sum is σ = 740580440. Its totient is φ = 740580438.

The previous prime is 740580409. The next prime is 740580479. The reversal of 740580439 is 934085047.

It is an a-pointer prime, because the next prime (740580479) can be obtained adding 740580439 to its sum of digits (40).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-740580439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (740580409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 370290219 + 370290220.

It is an arithmetic number, because the mean of its divisors is an integer number (370290220).

Almost surely, 2^740580439 is an apocalyptic number.

740580439 is a deficient number, since it is larger than the sum of its proper divisors (1).

740580439 is an equidigital number, since it uses as much as digits as its factorization.

740580439 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 740580439 is about 27213.6076072247. The cubic root of 740580439 is about 904.7405986092.

The spelling of 740580439 in words is "seven hundred forty million, five hundred eighty thousand, four hundred thirty-nine".