612710670 has 128 divisors (see below), whose sum is σ = 1818754560. Its totient is φ = 129876480.

The previous prime is 612710663. The next prime is 612710671. The reversal of 612710670 is 76017216.

It is a happy number.

It is a super-3 number, since 3×612710670³ (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 not an unprimeable number, because it can be changed into a prime (612710671) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 77752 + ... + 85268.

It is an arithmetic number, because the mean of its divisors is an integer number (14209020).

Almost surely, 2^612710670 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 612710670, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (909377280).

612710670 is an abundant number, since it is smaller than the sum of its proper divisors (1206043890).

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

612710670 is a wasteful number, since it uses less digits than its factorization.

612710670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7570.

The product of its (nonzero) digits is 3528, while the sum is 30.

The square root of 612710670 is about 24752.9931523442. The cubic root of 612710670 is about 849.3469817184.

Adding to 612710670 its reverse (76017216), we get a palindrome (688727886).

The spelling of 612710670 in words is "six hundred twelve million, seven hundred ten thousand, six hundred seventy".