67394053 has 4 divisors (see below), whose sum is σ = 67783788. Its totient is φ = 67004320.

The previous prime is 67394039. The next prime is 67394077. The reversal of 67394053 is 35049376.

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 62204769 + 5189284 = 7887^2 + 2278^2 .

It is a cyclic number.

It is not a de Polignac number, because 67394053 - 2¹³ = 67385861 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 (67394023) 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, 194608 + ... + 194953.

It is an arithmetic number, because the mean of its divisors is an integer number (16945947).

Almost surely, 2^67394053 is an apocalyptic number.

It is an amenable number.

67394053 is a deficient number, since it is larger than the sum of its proper divisors (389735).

67394053 is a wasteful number, since it uses less digits than its factorization.

67394053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389734.

The product of its (nonzero) digits is 68040, while the sum is 37.

The square root of 67394053 is about 8209.3881014361. The cubic root of 67394053 is about 406.9495054542.

The spelling of 67394053 in words is "sixty-seven million, three hundred ninety-four thousand, fifty-three".