69678801 has 24 divisors (see below), whose sum is σ = 107026920. Its totient is φ = 43531776.

The previous prime is 69678743. The next prime is 69678809. The reversal of 69678801 is 10887696.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3240000 + 66438801 = 1800^2 + 8151^2 .

It is not a de Polignac number, because 69678801 - 2⁶ = 69678737 is a prime.

It is not an unprimeable number, because it can be changed into a prime (69678809) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 40311 + ... + 42003.

It is an arithmetic number, because the mean of its divisors is an integer number (4459455).

Almost surely, 2^69678801 is an apocalyptic number.

It is an amenable number.

69678801 is a deficient number, since it is larger than the sum of its proper divisors (37348119).

69678801 is a wasteful number, since it uses less digits than its factorization.

69678801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1985 (or 1982 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 69678801 is about 8347.3828832755. The cubic root of 69678801 is about 411.4972049336.

It can be divided in two parts, 696 and 78801, that added together give a palindrome (79497).

The spelling of 69678801 in words is "sixty-nine million, six hundred seventy-eight thousand, eight hundred one".