67070029 has 8 divisors (see below), whose sum is σ = 72598680. Its totient is φ = 61594176.

The previous prime is 67070027. The next prime is 67070053. The reversal of 67070029 is 92007076.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 27405225 + 39664804 = 5235^2 + 6298^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 67070029 - 2¹ = 67070027 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67070023) 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, 10534 + ... + 15655.

It is an arithmetic number, because the mean of its divisors is an integer number (9074835).

Almost surely, 2^67070029 is an apocalyptic number.

It is an amenable number.

67070029 is a deficient number, since it is larger than the sum of its proper divisors (5528651).

67070029 is a wasteful number, since it uses less digits than its factorization.

67070029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26399.

The product of its (nonzero) digits is 5292, while the sum is 31.

The square root of 67070029 is about 8189.6293566925. The cubic root of 67070029 is about 406.2962663204.

The spelling of 67070029 in words is "sixty-seven million, seventy thousand, twenty-nine".