69245457 has 4 divisors (see below), whose sum is σ = 92327280. Its totient is φ = 46163636.

The previous prime is 69245453. The next prime is 69245459. The reversal of 69245457 is 75454296.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 69245457 - 2² = 69245453 is a prime.

It is not an unprimeable number, because it can be changed into a prime (69245453) 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, 11540907 + ... + 11540912.

It is an arithmetic number, because the mean of its divisors is an integer number (23081820).

Almost surely, 2^69245457 is an apocalyptic number.

It is an amenable number.

69245457 is a deficient number, since it is larger than the sum of its proper divisors (23081823).

69245457 is a wasteful number, since it uses less digits than its factorization.

69245457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23081822.

The product of its digits is 302400, while the sum is 42.

The square root of 69245457 is about 8321.3855216544. The cubic root of 69245457 is about 410.6423739489.

The spelling of 69245457 in words is "sixty-nine million, two hundred forty-five thousand, four hundred fifty-seven".