1670724074 has 16 divisors (see below), whose sum is σ = 2671382400. Its totient is φ = 781376544.

The previous prime is 1670724073. The next prime is 1670724103. The reversal of 1670724074 is 4704270761.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is not an unprimeable number, because it can be changed into a prime (1670724073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 275267 + ... + 281270.

It is an arithmetic number, because the mean of its divisors is an integer number (166961400).

Almost surely, 2^1670724074 is an apocalyptic number.

1670724074 is a deficient number, since it is larger than the sum of its proper divisors (1000658326).

1670724074 is a wasteful number, since it uses less digits than its factorization.

1670724074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556637.

The product of its (nonzero) digits is 65856, while the sum is 38.

The square root of 1670724074 is about 40874.4917277267. The cubic root of 1670724074 is about 1186.5924394754.

The spelling of 1670724074 in words is "one billion, six hundred seventy million, seven hundred twenty-four thousand, seventy-four".