68962540 has 96 divisors (see below), whose sum is σ = 161663040. Its totient is φ = 24600576.

The previous prime is 68962519. The next prime is 68962547. The reversal of 68962540 is 4526986.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 68962493 and 68962502.

It is not an unprimeable number, because it can be changed into a prime (68962547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 774816 + ... + 774904.

It is an arithmetic number, because the mean of its divisors is an integer number (1683990).

Almost surely, 2^68962540 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68962540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80831520).

68962540 is an abundant number, since it is smaller than the sum of its proper divisors (92700500).

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

68962540 is a wasteful number, since it uses less digits than its factorization.

68962540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211 (or 209 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 68962540 is about 8304.3687297711. The cubic root of 68962540 is about 410.0823550608.

The spelling of 68962540 in words is "sixty-eight million, nine hundred sixty-two thousand, five hundred forty".