670703700 has 72 divisors (see below), whose sum is σ = 1951937568. Its totient is φ = 177806720.

The previous prime is 670703659. The next prime is 670703749. The reversal of 670703700 is 7307076.

It is a happy number.

It is a super-3 number, since 3×670703700³ (a number of 27 digits) contains 333 as substring.

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

It is a congruent number.

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, 45439 + ... + 58361.

It is an arithmetic number, because the mean of its divisors is an integer number (27110244).

Almost surely, 2^670703700 is an apocalyptic number.

670703700 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 670703700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (975968784).

670703700 is an abundant number, since it is smaller than the sum of its proper divisors (1281233868).

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

670703700 is a wasteful number, since it uses less digits than its factorization.

670703700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13113 (or 13106 counting only the distinct ones).

The product of its (nonzero) digits is 6174, while the sum is 30.

The square root of 670703700 is about 25897.9477951439. The cubic root of 670703700 is about 875.3402540656.

The spelling of 670703700 in words is "six hundred seventy million, seven hundred three thousand, seven hundred".