68908437 has 48 divisors (see below), whose sum is σ = 115839360. Its totient is φ = 39118464.

The previous prime is 68908409. The next prime is 68908447. The reversal of 68908437 is 73480986.

It is a happy number.

It is not a de Polignac number, because 68908437 - 2⁷ = 68908309 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 68908392 and 68908401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68908447) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 77598 + ... + 78480.

It is an arithmetic number, because the mean of its divisors is an integer number (2413320).

Almost surely, 2^68908437 is an apocalyptic number.

It is an amenable number.

68908437 is a deficient number, since it is larger than the sum of its proper divisors (46930923).

68908437 is a wasteful number, since it uses less digits than its factorization.

68908437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 954 (or 951 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 68908437 is about 8301.1105883490. The cubic root of 68908437 is about 409.9750867273.

The spelling of 68908437 in words is "sixty-eight million, nine hundred eight thousand, four hundred thirty-seven".