69287642 has 16 divisors (see below), whose sum is σ = 111468960. Its totient is φ = 32200272.

The previous prime is 69287639. The next prime is 69287651. The reversal of 69287642 is 24678296.

It is a junction number, because it is equal to n+sod(n) for n = 69287593 and 69287602.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15188 + ... + 19215.

It is an arithmetic number, because the mean of its divisors is an integer number (6966810).

Almost surely, 2^69287642 is an apocalyptic number.

69287642 is a deficient number, since it is larger than the sum of its proper divisors (42181318).

69287642 is a wasteful number, since it uses less digits than its factorization.

69287642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34477.

The product of its digits is 290304, while the sum is 44.

The square root of 69287642 is about 8323.9198698690. The cubic root of 69287642 is about 410.7257461186.

The spelling of 69287642 in words is "sixty-nine million, two hundred eighty-seven thousand, six hundred forty-two".