670060650 has 96 divisors (see below), whose sum is σ = 1999157760. Its totient is φ = 145091520.

The previous prime is 670060637. The next prime is 670060667. The reversal of 670060650 is 56060076.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3157 + ... + 36743.

It is an arithmetic number, because the mean of its divisors is an integer number (20824560).

Almost surely, 2^670060650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 670060650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (999578880).

670060650 is an abundant number, since it is smaller than the sum of its proper divisors (1329097110).

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

670060650 is a wasteful number, since it uses less digits than its factorization.

670060650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33628 (or 33623 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 670060650 is about 25885.5297415371. The cubic root of 670060650 is about 875.0604148761.

The spelling of 670060650 in words is "six hundred seventy million, sixty thousand, six hundred fifty".