749626947 has 8 divisors (see below), whose sum is σ = 1110558480. Its totient is φ = 499751280.

The previous prime is 749626937. The next prime is 749626957.

It is a happy number.

749626947 is a `hidden beast` number, since 7 + 4 + 9 + 626 + 9 + 4 + 7 = 666.

749626947 is nontrivially palindromic in base 10.

749626947 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (749626937) and next prime (749626957).

It is not a de Polignac number, because 749626947 - 2¹¹ = 749624899 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 749626893 and 749626902.

It is not an unprimeable number, because it can be changed into a prime (749626907) 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, 13881954 + ... + 13882007.

It is an arithmetic number, because the mean of its divisors is an integer number (138819810).

Almost surely, 2^749626947 is an apocalyptic number.

749626947 is a deficient number, since it is larger than the sum of its proper divisors (360931533).

749626947 is a wasteful number, since it uses less digits than its factorization.

749626947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27763970 (or 27763964 counting only the distinct ones).

The product of its digits is 4572288, while the sum is 54.

The square root of 749626947 is about 27379.3160433200. The cubic root of 749626947 is about 908.4096309242.

It can be divided in two parts, 7496 and 26947, that added together give a palindrome (34443).

The spelling of 749626947 in words is "seven hundred forty-nine million, six hundred twenty-six thousand, nine hundred forty-seven".