68902620 has 24 divisors (see below), whose sum is σ = 192927504. Its totient is φ = 18374016.

The previous prime is 68902609. The next prime is 68902633. The reversal of 68902620 is 2620986.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 574129 + ... + 574248.

It is an arithmetic number, because the mean of its divisors is an integer number (8038646).

Almost surely, 2^68902620 is an apocalyptic number.

68902620 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

68902620 is an abundant number, since it is smaller than the sum of its proper divisors (124024884).

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

68902620 is a wasteful number, since it uses less digits than its factorization.

68902620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1148389 (or 1148387 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 68902620 is about 8300.7602061498. The cubic root of 68902620 is about 409.9635502001.

The spelling of 68902620 in words is "sixty-eight million, nine hundred two thousand, six hundred twenty".