749245 has 8 divisors (see below), whose sum is σ = 1027584. Its totient is φ = 513744.

The previous prime is 749237. The next prime is 749249. The reversal of 749245 is 542947.

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

It is not a de Polignac number, because 749245 - 2³ = 749237 is a prime.

It is a super-2 number, since 2×749245² = 1122736140050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (749249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10669 + ... + 10738.

It is an arithmetic number, because the mean of its divisors is an integer number (128448).

2⁷⁴⁹²⁴⁵ is an apocalyptic number.

It is an amenable number.

749245 is a deficient number, since it is larger than the sum of its proper divisors (278339).

749245 is a wasteful number, since it uses less digits than its factorization.

749245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21419.

The product of its digits is 10080, while the sum is 31.

The square root of 749245 is about 865.5893945746. The cubic root of 749245 is about 90.8255321602.

The spelling of 749245 in words is "seven hundred forty-nine thousand, two hundred forty-five".