1670689074 has 32 divisors (see below), whose sum is σ = 3425659776. Its totient is φ = 542871680.

The previous prime is 1670689063. The next prime is 1670689099. The reversal of 1670689074 is 4709860761.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 452524 + ... + 456200.

It is an arithmetic number, because the mean of its divisors is an integer number (107051868).

Almost surely, 2^1670689074 is an apocalyptic number.

1670689074 is an abundant number, since it is smaller than the sum of its proper divisors (1754970702).

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

1670689074 is a wasteful number, since it uses less digits than its factorization.

1670689074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5570.

The product of its (nonzero) digits is 508032, while the sum is 48.

The square root of 1670689074 is about 40874.0635856040. The cubic root of 1670689074 is about 1186.5841534422.

The spelling of 1670689074 in words is "one billion, six hundred seventy million, six hundred eighty-nine thousand, seventy-four".