749270 has 16 divisors (see below), whose sum is σ = 1392768. Its totient is φ = 289920.

The previous prime is 749267. The next prime is 749279. The reversal of 749270 is 72947.

It is a super-2 number, since 2×749270² = 1122811065800, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (749279) 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 in 7 ways as a sum of consecutive naturals, for example, 899 + ... + 1518.

It is an arithmetic number, because the mean of its divisors is an integer number (87048).

2⁷⁴⁹²⁷⁰ is an apocalyptic number.

749270 is a deficient number, since it is larger than the sum of its proper divisors (643498).

749270 is a wasteful number, since it uses less digits than its factorization.

749270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2455.

The product of its (nonzero) digits is 3528, while the sum is 29.

The square root of 749270 is about 865.6038354813. The cubic root of 749270 is about 90.8265423385.

The spelling of 749270 in words is "seven hundred forty-nine thousand, two hundred seventy".