740971999 has 4 divisors (see below), whose sum is σ = 741888720. Its totient is φ = 740055280.

The previous prime is 740971997. The next prime is 740972017. The reversal of 740971999 is 999179047.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 740971999 - 2¹ = 740971997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (740971993) 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 in 3 ways as a sum of consecutive naturals, for example, 457147 + ... + 458764.

It is an arithmetic number, because the mean of its divisors is an integer number (185472180).

Almost surely, 2^740971999 is an apocalyptic number.

740971999 is a deficient number, since it is larger than the sum of its proper divisors (916721).

740971999 is an equidigital number, since it uses as much as digits as its factorization.

740971999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 916720.

The product of its (nonzero) digits is 1285956, while the sum is 55.

The square root of 740971999 is about 27220.8008515547. The cubic root of 740971999 is about 904.9000221251.

The spelling of 740971999 in words is "seven hundred forty million, nine hundred seventy-one thousand, nine hundred ninety-nine".