670352040 has 96 divisors (see below), whose sum is σ = 2182003200. Its totient is φ = 178485120.

The previous prime is 670351931. The next prime is 670352057. The reversal of 670352040 is 40253076.

It is a happy number.

670352040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 670351995 and 670352013.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 355821 + ... + 357699.

It is an arithmetic number, because the mean of its divisors is an integer number (22729200).

Almost surely, 2^670352040 is an apocalyptic number.

670352040 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 670352040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1091001600).

670352040 is an abundant number, since it is smaller than the sum of its proper divisors (1511651160).

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

670352040 is a wasteful number, since it uses less digits than its factorization.

670352040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2887 (or 2880 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 670352040 is about 25891.1575639252. The cubic root of 670352040 is about 875.1872426499.

The spelling of 670352040 in words is "six hundred seventy million, three hundred fifty-two thousand, forty".