68790620 has 24 divisors (see below), whose sum is σ = 147985488. Its totient is φ = 26844800.

The previous prime is 68790613. The next prime is 68790629. The reversal of 68790620 is 2609786.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68790629) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41126 + ... + 42765.

It is an arithmetic number, because the mean of its divisors is an integer number (6166062).

Almost surely, 2^68790620 is an apocalyptic number.

It is an amenable number.

68790620 is an abundant number, since it is smaller than the sum of its proper divisors (79194868).

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

68790620 is a wasteful number, since it uses less digits than its factorization.

68790620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83941 (or 83939 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 68790620 is about 8294.0110923485. The cubic root of 68790620 is about 409.7413002158.

The spelling of 68790620 in words is "sixty-eight million, seven hundred ninety thousand, six hundred twenty".