69742417 has 4 divisors (see below), whose sum is σ = 72774720. Its totient is φ = 66710116.

The previous prime is 69742411. The next prime is 69742423. The reversal of 69742417 is 71424796.

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 an interprime number because it is at equal distance from previous prime (69742411) and next prime (69742423).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-69742417 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 69742417.

It is not an unprimeable number, because it can be changed into a prime (69742411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1516117 + ... + 1516162.

It is an arithmetic number, because the mean of its divisors is an integer number (18193680).

Almost surely, 2^69742417 is an apocalyptic number.

It is an amenable number.

69742417 is a deficient number, since it is larger than the sum of its proper divisors (3032303).

69742417 is a wasteful number, since it uses less digits than its factorization.

69742417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3032302.

The product of its digits is 84672, while the sum is 40.

The square root of 69742417 is about 8351.1925495704. The cubic root of 69742417 is about 411.6223976903.

The spelling of 69742417 in words is "sixty-nine million, seven hundred forty-two thousand, four hundred seventeen".