68651470 has 16 divisors (see below), whose sum is σ = 124708320. Its totient is φ = 27208224.

The previous prime is 68651461. The next prime is 68651477. The reversal of 68651470 is 7415686.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68651477) 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 7 ways as a sum of consecutive naturals, for example, 30402 + ... + 32581.

It is an arithmetic number, because the mean of its divisors is an integer number (7794270).

Almost surely, 2^68651470 is an apocalyptic number.

68651470 is a deficient number, since it is larger than the sum of its proper divisors (56056850).

68651470 is a wasteful number, since it uses less digits than its factorization.

68651470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63099.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 68651470 is about 8285.6182629904. The cubic root of 68651470 is about 409.4648381588.

The spelling of 68651470 in words is "sixty-eight million, six hundred fifty-one thousand, four hundred seventy".