749031 has 4 divisors (see below), whose sum is σ = 998712. Its totient is φ = 499352.

The previous prime is 749027. The next prime is 749051. The reversal of 749031 is 130947.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 130947 = 3 ⋅43649.

It is a cyclic number.

It is not a de Polignac number, because 749031 - 2² = 749027 is a prime.

It is a super-2 number, since 2×749031² = 1122094877922, which contains 22 as substring.

It is a D-number.

It is a junction number, because it is equal to n+sod(n) for n = 748992 and 749010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (749011) 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, 124836 + ... + 124841.

It is an arithmetic number, because the mean of its divisors is an integer number (249678).

2⁷⁴⁹⁰³¹ is an apocalyptic number.

749031 is a deficient number, since it is larger than the sum of its proper divisors (249681).

749031 is a wasteful number, since it uses less digits than its factorization.

749031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249680.

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 749031 is about 865.4657705536. The cubic root of 749031 is about 90.8168841147.

Adding to 749031 its reverse (130947), we get a palindrome (879978).

The spelling of 749031 in words is "seven hundred forty-nine thousand, thirty-one".