68480537 has 8 divisors (see below), whose sum is σ = 70288512. Its totient is φ = 66679200.

The previous prime is 68480527. The next prime is 68480557. The reversal of 68480537 is 73508486.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 68480537 - 2⁶ = 68480473 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 68480494 and 68480503.

It is not an unprimeable number, because it can be changed into a prime (68480527) 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, 24548 + ... + 27194.

It is an arithmetic number, because the mean of its divisors is an integer number (8786064).

Almost surely, 2^68480537 is an apocalyptic number.

It is an amenable number.

68480537 is a deficient number, since it is larger than the sum of its proper divisors (1807975).

68480537 is a wasteful number, since it uses less digits than its factorization.

68480537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3319.

The product of its (nonzero) digits is 161280, while the sum is 41.

The square root of 68480537 is about 8275.2967922607. The cubic root of 68480537 is about 409.1247181141.

The spelling of 68480537 in words is "sixty-eight million, four hundred eighty thousand, five hundred thirty-seven".