670416836 has 12 divisors (see below), whose sum is σ = 1198192128. Its totient is φ = 328076232.

The previous prime is 670416833. The next prime is 670416869. The reversal of 670416836 is 638614076.

It is a junction number, because it is equal to n+sod(n) for n = 670416793 and 670416802.

It is not an unprimeable number, because it can be changed into a prime (670416833) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1782836 + ... + 1783211.

It is an arithmetic number, because the mean of its divisors is an integer number (99849344).

Almost surely, 2^670416836 is an apocalyptic number.

It is an amenable number.

670416836 is a deficient number, since it is larger than the sum of its proper divisors (527775292).

670416836 is a wasteful number, since it uses less digits than its factorization.

670416836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3566098 (or 3566096 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 670416836 is about 25892.4088489271. The cubic root of 670416836 is about 875.2154401750.

The spelling of 670416836 in words is "six hundred seventy million, four hundred sixteen thousand, eight hundred thirty-six".