670451760 has 120 divisors (see below), whose sum is σ = 2456320464. Its totient is φ = 162531840.

The previous prime is 670451731. The next prime is 670451767. The reversal of 670451760 is 67154076.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (670451767) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34407 + ... + 50246.

Almost surely, 2^670451760 is an apocalyptic number.

670451760 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

670451760 is an abundant number, since it is smaller than the sum of its proper divisors (1785868704).

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

670451760 is a wasteful number, since it uses less digits than its factorization.

670451760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84683 (or 84674 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 670451760 is about 25893.0832463034. The cubic root of 670451760 is about 875.2306374332.

The spelling of 670451760 in words is "six hundred seventy million, four hundred fifty-one thousand, seven hundred sixty".