675978030 has 216 divisors, whose sum is σ = 2216295432. Its totient is φ = 142466688.

The previous prime is 675978019. The next prime is 675978041. The reversal of 675978030 is 30879576.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (675978019) and next prime (675978041).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 744837 + ... + 745743.

It is an arithmetic number, because the mean of its divisors is an integer number (10260627).

Almost surely, 2^675978030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 675978030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1108147716).

675978030 is an abundant number, since it is smaller than the sum of its proper divisors (1540317402).

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

675978030 is a wasteful number, since it uses less digits than its factorization.

675978030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 960 (or 937 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 45.

The square root of 675978030 is about 25999.5774965671. The cubic root of 675978030 is about 877.6287876817.

The spelling of 675978030 in words is "six hundred seventy-five million, nine hundred seventy-eight thousand, thirty".