670567950 has 192 divisors, whose sum is σ = 2095699200. Its totient is φ = 156297600.

The previous prime is 670567943. The next prime is 670567973. The reversal of 670567950 is 59765076.

It is a happy number.

670567950 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×670567950² = 899322751134405000, which contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 670567896 and 670567905.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 332445 + ... + 334455.

It is an arithmetic number, because the mean of its divisors is an integer number (10915100).

Almost surely, 2^670567950 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 670567950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1047849600).

670567950 is an abundant number, since it is smaller than the sum of its proper divisors (1425131250).

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

670567950 is a wasteful number, since it uses less digits than its factorization.

670567950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2064 (or 2053 counting only the distinct ones).

The product of its (nonzero) digits is 396900, while the sum is 45.

The square root of 670567950 is about 25895.3267984785. The cubic root of 670567950 is about 875.2811939783.

The spelling of 670567950 in words is "six hundred seventy million, five hundred sixty-seven thousand, nine hundred fifty".