68601457 has 8 divisors (see below), whose sum is σ = 72288800. Its totient is φ = 64921824.

The previous prime is 68601437. The next prime is 68601461. The reversal of 68601457 is 75410686.

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

It is a 3-Lehmer number, since φ(68601457) divides (68601457-1)³.

It is a cyclic number.

It is not a de Polignac number, because 68601457 - 2⁷ = 68601329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68601437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30394 + ... + 32572.

It is an arithmetic number, because the mean of its divisors is an integer number (9036100).

Almost surely, 2^68601457 is an apocalyptic number.

It is an amenable number.

68601457 is a deficient number, since it is larger than the sum of its proper divisors (3687343).

68601457 is a wasteful number, since it uses less digits than its factorization.

68601457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3855.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 68601457 is about 8282.5996522831. The cubic root of 68601457 is about 409.3653814884.

The spelling of 68601457 in words is "sixty-eight million, six hundred one thousand, four hundred fifty-seven".