1670934642 has 32 divisors (see below), whose sum is σ = 3607027200. Its totient is φ = 512977920.

The previous prime is 1670934637. The next prime is 1670934649. The reversal of 1670934642 is 2464390761.

It is a junction number, because it is equal to n+sod(n) for n = 1670934594 and 1670934603.

It is not an unprimeable number, because it can be changed into a prime (1670934649) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11167 + ... + 58877.

It is an arithmetic number, because the mean of its divisors is an integer number (112719600).

Almost surely, 2^1670934642 is an apocalyptic number.

1670934642 is an abundant number, since it is smaller than the sum of its proper divisors (1936092558).

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

1670934642 is a wasteful number, since it uses less digits than its factorization.

1670934642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48178.

The product of its (nonzero) digits is 217728, while the sum is 42.

The square root of 1670934642 is about 40877.0674339537. The cubic root of 1670934642 is about 1186.6422877028.

The spelling of 1670934642 in words is "one billion, six hundred seventy million, nine hundred thirty-four thousand, six hundred forty-two".