69480021 has 32 divisors (see below), whose sum is σ = 104186880. Its totient is φ = 40896000.

The previous prime is 69480007. The next prime is 69480029. The reversal of 69480021 is 12008496.

It is not a de Polignac number, because 69480021 - 2¹⁸ = 69217877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69480029) 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 31 ways as a sum of consecutive naturals, for example, 121825 + ... + 122393.

It is an arithmetic number, because the mean of its divisors is an integer number (3255840).

Almost surely, 2^69480021 is an apocalyptic number.

It is an amenable number.

69480021 is a deficient number, since it is larger than the sum of its proper divisors (34706859).

69480021 is a wasteful number, since it uses less digits than its factorization.

69480021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 717.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 69480021 is about 8335.4676533474. The cubic root of 69480021 is about 411.1055252034.

The spelling of 69480021 in words is "sixty-nine million, four hundred eighty thousand, twenty-one".