740783971 has 2 divisors, whose sum is σ = 740783972. Its totient is φ = 740783970.

The previous prime is 740783969. The next prime is 740783983. The reversal of 740783971 is 179387047.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 740783971 - 2¹ = 740783969 is a prime.

Together with 740783969, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (740783371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 370391985 + 370391986.

It is an arithmetic number, because the mean of its divisors is an integer number (370391986).

Almost surely, 2^740783971 is an apocalyptic number.

740783971 is a deficient number, since it is larger than the sum of its proper divisors (1).

740783971 is an equidigital number, since it uses as much as digits as its factorization.

740783971 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 46.

The square root of 740783971 is about 27217.3468765785. The cubic root of 740783971 is about 904.8234736025.

It can be divided in two parts, 7407 and 83971, that added together give a triangular number (91378 = T₄₂₇).

The spelling of 740783971 in words is "seven hundred forty million, seven hundred eighty-three thousand, nine hundred seventy-one".