67342057 has 4 divisors (see below), whose sum is σ = 67467076. Its totient is φ = 67217040.

The previous prime is 67342043. The next prime is 67342063. The reversal of 67342057 is 75024376.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 43243776 + 24098281 = 6576^2 + 4909^2 .

It is a cyclic number.

It is not a de Polignac number, because 67342057 - 2¹⁵ = 67309289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67342007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61698 + ... + 62779.

It is an arithmetic number, because the mean of its divisors is an integer number (16866769).

Almost surely, 2^67342057 is an apocalyptic number.

It is an amenable number.

67342057 is a deficient number, since it is larger than the sum of its proper divisors (125019).

67342057 is a wasteful number, since it uses less digits than its factorization.

67342057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125018.

The product of its (nonzero) digits is 35280, while the sum is 34.

The square root of 67342057 is about 8206.2206282795. The cubic root of 67342057 is about 406.8448216846.

The spelling of 67342057 in words is "sixty-seven million, three hundred forty-two thousand, fifty-seven".