740459091 has 4 divisors (see below), whose sum is σ = 987278792. Its totient is φ = 493639392.

The previous prime is 740459077. The next prime is 740459101. The reversal of 740459091 is 190954047.

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

It is not a de Polignac number, because 740459091 - 2¹⁴ = 740442707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (740459591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123409846 + ... + 123409851.

It is an arithmetic number, because the mean of its divisors is an integer number (246819698).

Almost surely, 2^740459091 is an apocalyptic number.

740459091 is a deficient number, since it is larger than the sum of its proper divisors (246819701).

740459091 is a wasteful number, since it uses less digits than its factorization.

740459091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246819700.

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 740459091 is about 27211.3779695186. The cubic root of 740459091 is about 904.6911804081.

The spelling of 740459091 in words is "seven hundred forty million, four hundred fifty-nine thousand, ninety-one".