68646430 has 32 divisors (see below), whose sum is σ = 130521600. Its totient is φ = 25922592.

The previous prime is 68646397. The next prime is 68646437. The reversal of 68646430 is 3464686.

It is a self number, because there is not a number n which added to its sum of digits gives 68646430.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68646437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82999 + ... + 83821.

It is an arithmetic number, because the mean of its divisors is an integer number (4078800).

Almost surely, 2^68646430 is an apocalyptic number.

68646430 is a deficient number, since it is larger than the sum of its proper divisors (61875170).

68646430 is a wasteful number, since it uses less digits than its factorization.

68646430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1288.

The product of its (nonzero) digits is 82944, while the sum is 37.

The square root of 68646430 is about 8285.3141159524. The cubic root of 68646430 is about 409.4548177213.

The spelling of 68646430 in words is "sixty-eight million, six hundred forty-six thousand, four hundred thirty".