675630072 has 160 divisors (see below), whose sum is σ = 2056177200. Its totient is φ = 206032896.

The previous prime is 675630049. The next prime is 675630079. The reversal of 675630072 is 270036576.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (675630079) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1170648 + ... + 1171224.

Almost surely, 2^675630072 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 675630072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1028088600).

675630072 is an abundant number, since it is smaller than the sum of its proper divisors (1380547128).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

675630072 is a wasteful number, since it uses less digits than its factorization.

675630072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 747 (or 734 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 36.

The square root of 675630072 is about 25992.8850264837. The cubic root of 675630072 is about 877.4781760954.

The spelling of 675630072 in words is "six hundred seventy-five million, six hundred thirty thousand, seventy-two".