67080634 has 4 divisors (see below), whose sum is σ = 100620954. Its totient is φ = 33540316.

The previous prime is 67080631. The next prime is 67080647. The reversal of 67080634 is 43608076.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 61544025 + 5536609 = 7845^2 + 2353^2 .

It is a super-2 number, since 2×67080634² = 8999622915683912, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 67080634.

It is not an unprimeable number, because it can be changed into a prime (67080631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16770157 + ... + 16770160.

Almost surely, 2^67080634 is an apocalyptic number.

67080634 is a deficient number, since it is larger than the sum of its proper divisors (33540320).

67080634 is a wasteful number, since it uses less digits than its factorization.

67080634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33540319.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 67080634 is about 8190.2767962994. The cubic root of 67080634 is about 406.3176794856.

The spelling of 67080634 in words is "sixty-seven million, eighty thousand, six hundred thirty-four".