1670310072 has 48 divisors (see below), whose sum is σ = 4691308440. Its totient is φ = 556769376.

The previous prime is 1670310053. The next prime is 1670310073. The reversal of 1670310072 is 2700130761.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1670310073) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 427663 + ... + 431550.

Almost surely, 2^1670310072 is an apocalyptic number.

1670310072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1670310072 is an abundant number, since it is smaller than the sum of its proper divisors (3020998368).

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

1670310072 is an equidigital number, since it uses as much as digits as its factorization.

1670310072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 859234 (or 859218 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 27.

The square root of 1670310072 is about 40869.4271063346. The cubic root of 1670310072 is about 1186.4944196541.

The spelling of 1670310072 in words is "one billion, six hundred seventy million, three hundred ten thousand, seventy-two".