740374279 has 2 divisors, whose sum is σ = 740374280. Its totient is φ = 740374278.

The previous prime is 740374253. The next prime is 740374307. The reversal of 740374279 is 972473047.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-740374279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (740371279) 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 as a sum of consecutive naturals, namely, 370187139 + 370187140.

It is an arithmetic number, because the mean of its divisors is an integer number (370187140).

Almost surely, 2^740374279 is an apocalyptic number.

740374279 is a deficient number, since it is larger than the sum of its proper divisors (1).

740374279 is an equidigital number, since it uses as much as digits as its factorization.

740374279 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 296352, while the sum is 43.

The square root of 740374279 is about 27209.8195326614. The cubic root of 740374279 is about 904.6566380550.

The spelling of 740374279 in words is "seven hundred forty million, three hundred seventy-four thousand, two hundred seventy-nine".