675129280 has 224 divisors, whose sum is σ = 2004364800. Its totient is φ = 211341312.

The previous prime is 675129263. The next prime is 675129307. The reversal of 675129280 is 82921576.

It is a tau number, because it is divible by the number of its divisors (224).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1233967 + ... + 1234513.

Almost surely, 2^675129280 is an apocalyptic number.

675129280 is the 12992-nd decagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 675129280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1002182400).

675129280 is an abundant number, since it is smaller than the sum of its proper divisors (1329235520).

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

675129280 is a wasteful number, since it uses less digits than its factorization.

675129280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 619 (or 609 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 675129280 is about 25983.2499891757. The cubic root of 675129280 is about 877.2613204094.

The spelling of 675129280 in words is "six hundred seventy-five million, one hundred twenty-nine thousand, two hundred eighty".