670551024 has 240 divisors, whose sum is σ = 2094615936. Its totient is φ = 183575040.

The previous prime is 670550999. The next prime is 670551029. The reversal of 670551024 is 420155076.

It is a Cunningham number, because it is equal to 25895²-1.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 670550982 and 670551000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670551029) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6266779 + ... + 6266885.

Almost surely, 2^670551024 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 670551024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1047307968).

670551024 is an abundant number, since it is smaller than the sum of its proper divisors (1424064912).

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

670551024 is a wasteful number, since it uses less digits than its factorization.

670551024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236 (or 219 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 670551024 is about 25894.9999806913. Note that the first 4 decimals coincide. The cubic root of 670551024 is about 875.2738295075.

The spelling of 670551024 in words is "six hundred seventy million, five hundred fifty-one thousand, twenty-four".