667741034 has 4 divisors (see below), whose sum is σ = 1001611554. Its totient is φ = 333870516.

The previous prime is 667741033. The next prime is 667741091. The reversal of 667741034 is 430147766.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 430147766 = 2 ⋅215073883.

It can be written as a sum of positive squares in only one way, i.e., 470759809 + 196981225 = 21697^2 + 14035^2 .

It is not an unprimeable number, because it can be changed into a prime (667741031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 166935257 + ... + 166935260.

Almost surely, 2^667741034 is an apocalyptic number.

667741034 is a deficient number, since it is larger than the sum of its proper divisors (333870520).

667741034 is a wasteful number, since it uses less digits than its factorization.

667741034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333870519.

The product of its (nonzero) digits is 84672, while the sum is 38.

The square root of 667741034 is about 25840.6856333186. The cubic root of 667741034 is about 874.0494860331.

The spelling of 667741034 in words is "six hundred sixty-seven million, seven hundred forty-one thousand, thirty-four".