675447129 has 12 divisors (see below), whose sum is σ = 1115023936. Its totient is φ = 385969752.

The previous prime is 675447107. The next prime is 675447151. The reversal of 675447129 is 921744576.

It is an interprime number because it is at equal distance from previous prime (675447107) and next prime (675447151).

It is not a de Polignac number, because 675447129 - 2¹³ = 675438937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (675447329) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5360629 + ... + 5360754.

Almost surely, 2^675447129 is an apocalyptic number.

It is an amenable number.

675447129 is a deficient number, since it is larger than the sum of its proper divisors (439576807).

675447129 is a wasteful number, since it uses less digits than its factorization.

675447129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10721396 (or 10721393 counting only the distinct ones).

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

The square root of 675447129 is about 25989.3656906051. The cubic root of 675447129 is about 877.3989695455.

It can be divided in two parts, 675447 and 129, that added together give a palindrome (675576).

The spelling of 675447129 in words is "six hundred seventy-five million, four hundred forty-seven thousand, one hundred twenty-nine".