749001031 has 4 divisors (see below), whose sum is σ = 749080600. Its totient is φ = 748921464.

The previous prime is 749000983. The next prime is 749001037. The reversal of 749001031 is 130100947.

749001031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 130100947 = 131 ⋅993137.

It is a cyclic number.

It is not a de Polignac number, because 749001031 - 2¹⁷ = 748869959 is a prime.

It is a super-2 number, since 2×749001031² = 1122005088878125922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 749000987 and 749001005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (749001037) 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, 23421 + ... + 45238.

It is an arithmetic number, because the mean of its divisors is an integer number (187270150).

Almost surely, 2^749001031 is an apocalyptic number.

749001031 is a deficient number, since it is larger than the sum of its proper divisors (79569).

749001031 is a wasteful number, since it uses less digits than its factorization.

749001031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79568.

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 749001031 is about 27367.8832027616. The cubic root of 749001031 is about 908.1567289309.

Adding to 749001031 its reverse (130100947), we get a palindrome (879101978).

The spelling of 749001031 in words is "seven hundred forty-nine million, one thousand, thirty-one".