68820462 has 32 divisors (see below), whose sum is σ = 159586560. Its totient is φ = 21942360.

The previous prime is 68820461. The next prime is 68820487. The reversal of 68820462 is 26402886.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68820461) 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, 26464 + ... + 28947.

It is an arithmetic number, because the mean of its divisors is an integer number (4987080).

Almost surely, 2^68820462 is an apocalyptic number.

68820462 is an abundant number, since it is smaller than the sum of its proper divisors (90766098).

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

68820462 is a wasteful number, since it uses less digits than its factorization.

68820462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55445 (or 55439 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The square root of 68820462 is about 8295.8099062117. The cubic root of 68820462 is about 409.8005414912.

The spelling of 68820462 in words is "sixty-eight million, eight hundred twenty thousand, four hundred sixty-two".