69928590 has 16 divisors (see below), whose sum is σ = 167828688. Its totient is φ = 18647616.

The previous prime is 69928589. The next prime is 69928601. The reversal of 69928590 is 9582996.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1165447 + ... + 1165506.

It is an arithmetic number, because the mean of its divisors is an integer number (10489293).

Almost surely, 2^69928590 is an apocalyptic number.

69928590 is an abundant number, since it is smaller than the sum of its proper divisors (97900098).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

69928590 is a wasteful number, since it uses less digits than its factorization.

69928590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2330963.

The product of its (nonzero) digits is 349920, while the sum is 48.

The square root of 69928590 is about 8362.3316126545. The cubic root of 69928590 is about 411.9883389731.

The spelling of 69928590 in words is "sixty-nine million, nine hundred twenty-eight thousand, five hundred ninety".