749629 has 4 divisors (see below), whose sum is σ = 761980. Its totient is φ = 737280.

The previous prime is 749587. The next prime is 749641. The reversal of 749629 is 926947.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 926947 = 7 ⋅132421.

It can be written as a sum of positive squares in 2 ways, for example, as 273529 + 476100 = 523^2 + 690^2 .

It is a cyclic number.

It is not a de Polignac number, because 749629 - 2¹⁵ = 716861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (749659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6084 + ... + 6205.

It is an arithmetic number, because the mean of its divisors is an integer number (190495).

2⁷⁴⁹⁶²⁹ is an apocalyptic number.

It is an amenable number.

749629 is a deficient number, since it is larger than the sum of its proper divisors (12351).

749629 is a wasteful number, since it uses less digits than its factorization.

749629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12350.

The product of its digits is 27216, while the sum is 37.

The square root of 749629 is about 865.8111803390. The cubic root of 749629 is about 90.8410460209.

It can be divided in two parts, 749 and 629, that added together give a triangular number (1378 = T₅₂).

The spelling of 749629 in words is "seven hundred forty-nine thousand, six hundred twenty-nine".