664770034 has 8 divisors (see below), whose sum is σ = 1006836480. Its totient is φ = 329157876.

The previous prime is 664770019. The next prime is 664770049. The reversal of 664770034 is 430077466.

It is an interprime number because it is at equal distance from previous prime (664770019) and next prime (664770049).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×664770034² = 883838396208722312, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 664769975 and 664770002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1613314 + ... + 1613725.

It is an arithmetic number, because the mean of its divisors is an integer number (125854560).

Almost surely, 2^664770034 is an apocalyptic number.

664770034 is a deficient number, since it is larger than the sum of its proper divisors (342066446).

664770034 is a wasteful number, since it uses less digits than its factorization.

664770034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3227144.

The product of its (nonzero) digits is 84672, while the sum is 37.

The square root of 664770034 is about 25783.1346814153. The cubic root of 664770034 is about 872.7512472548.

The spelling of 664770034 in words is "six hundred sixty-four million, seven hundred seventy thousand, thirty-four".