736671825 has 18 divisors (see below), whose sum is σ = 1319461494. Its totient is φ = 392891520.

The previous prime is 736671811. The next prime is 736671827. The reversal of 736671825 is 528176637.

736671825 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 12362256 + 724309569 = 3516^2 + 26913^2 .

It is not a de Polignac number, because 736671825 - 2⁴ = 736671809 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (736671827) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1636824 + ... + 1637273.

Almost surely, 2^736671825 is an apocalyptic number.

736671825 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

736671825 is a deficient number, since it is larger than the sum of its proper divisors (582789669).

736671825 is a wasteful number, since it uses less digits than its factorization.

736671825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3274113 (or 3274105 counting only the distinct ones).

The product of its digits is 423360, while the sum is 45.

The square root of 736671825 is about 27141.6990072471. The cubic root of 736671825 is about 903.1461189651.

The spelling of 736671825 in words is "seven hundred thirty-six million, six hundred seventy-one thousand, eight hundred twenty-five".