740949 has 8 divisors (see below), whose sum is σ = 1077792. Its totient is φ = 449040.

The previous prime is 740939. The next prime is 740951. The reversal of 740949 is 949047.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 740949 - 2⁸ = 740693 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 22453 = 740949 / (7 + 4 + 0 + 9 + 4 + 9).

It is a Curzon number.

740949 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (740939) 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 7 ways as a sum of consecutive naturals, for example, 11194 + ... + 11259.

It is an arithmetic number, because the mean of its divisors is an integer number (134724).

2⁷⁴⁰⁹⁴⁹ is an apocalyptic number.

It is an amenable number.

740949 is a deficient number, since it is larger than the sum of its proper divisors (336843).

740949 is a wasteful number, since it uses less digits than its factorization.

740949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22467.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 740949 is about 860.7839450176. The cubic root of 740949 is about 90.4890659643.

The spelling of 740949 in words is "seven hundred forty thousand, nine hundred forty-nine".