67552405 has 8 divisors (see below), whose sum is σ = 81136512. Its totient is φ = 53992848.

The previous prime is 67552399. The next prime is 67552421. The reversal of 67552405 is 50425576.

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 67552405 - 2⁹ = 67551893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 592 + ... + 11638.

It is an arithmetic number, because the mean of its divisors is an integer number (10142064).

Almost surely, 2^67552405 is an apocalyptic number.

It is an amenable number.

67552405 is a deficient number, since it is larger than the sum of its proper divisors (13584107).

67552405 is a wasteful number, since it uses less digits than its factorization.

67552405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12275.

The product of its (nonzero) digits is 42000, while the sum is 34.

The square root of 67552405 is about 8219.0270105408. The cubic root of 67552405 is about 407.2679849029.

The spelling of 67552405 in words is "sixty-seven million, five hundred fifty-two thousand, four hundred five".