68925240 has 48 divisors (see below), whose sum is σ = 224008200. Its totient is φ = 18379968.

The previous prime is 68925239. The next prime is 68925251. The reversal of 68925240 is 4252986.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 68925195 and 68925204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 95370 + ... + 96089.

Almost surely, 2^68925240 is an apocalyptic number.

68925240 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

68925240 is an abundant number, since it is smaller than the sum of its proper divisors (155082960).

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

68925240 is a wasteful number, since it uses less digits than its factorization.

68925240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191476 (or 191469 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 68925240 is about 8302.1226201496. The cubic root of 68925240 is about 410.0084075214.

The spelling of 68925240 in words is "sixty-eight million, nine hundred twenty-five thousand, two hundred forty".