69480819 has 48 divisors (see below), whose sum is σ = 111196800. Its totient is φ = 41626368.

The previous prime is 69480799. The next prime is 69480847. The reversal of 69480819 is 91808496.

It is not a de Polignac number, because 69480819 - 2¹¹ = 69478771 is a prime.

It is a super-2 number, since 2×69480819² = 9655168417821522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (69480319) 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 47 ways as a sum of consecutive naturals, for example, 388072 + ... + 388250.

It is an arithmetic number, because the mean of its divisors is an integer number (2316600).

Almost surely, 2^69480819 is an apocalyptic number.

69480819 is a deficient number, since it is larger than the sum of its proper divisors (41715981).

69480819 is a wasteful number, since it uses less digits than its factorization.

69480819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304 (or 301 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 45.

The square root of 69480819 is about 8335.5155209501. The cubic root of 69480819 is about 411.1070990897.

The spelling of 69480819 in words is "sixty-nine million, four hundred eighty thousand, eight hundred nineteen".