672286770 has 96 divisors (see below), whose sum is σ = 1853176320. Its totient is φ = 173426400.

The previous prime is 672286763. The next prime is 672286789. The reversal of 672286770 is 77682276.

It is a happy number.

It is a super-2 number, since 2×672286770² = 903939002234065800, which contains 22 as substring.

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

It is a Curzon number.

It is a zygodrome in base 7.

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, 258175 + ... + 260765.

It is an arithmetic number, because the mean of its divisors is an integer number (19303920).

Almost surely, 2^672286770 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 672286770, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (926588160).

672286770 is an abundant number, since it is smaller than the sum of its proper divisors (1180889550).

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

672286770 is a wasteful number, since it uses less digits than its factorization.

672286770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2669 (or 2632 counting only the distinct ones).

The product of its (nonzero) digits is 395136, while the sum is 45.

The square root of 672286770 is about 25928.4934001187. The cubic root of 672286770 is about 876.0284049712.

The spelling of 672286770 in words is "six hundred seventy-two million, two hundred eighty-six thousand, seven hundred seventy".