749407 has 4 divisors (see below), whose sum is σ = 758520. Its totient is φ = 740296.

The previous prime is 749401. The next prime is 749423. The reversal of 749407 is 704947.

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 749407 - 2⁷ = 749279 is a prime.

It is a super-2 number, since 2×749407² = 1123221703298, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (749401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4432 + ... + 4597.

It is an arithmetic number, because the mean of its divisors is an integer number (189630).

2⁷⁴⁹⁴⁰⁷ is an apocalyptic number.

749407 is a deficient number, since it is larger than the sum of its proper divisors (9113).

749407 is an equidigital number, since it uses as much as digits as its factorization.

749407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9112.

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 749407 is about 865.6829673732. The cubic root of 749407 is about 90.8320777165.

It can be divided in two parts, 74940 and 7, that added together give a palindrome (74947).

The spelling of 749407 in words is "seven hundred forty-nine thousand, four hundred seven".