68703481 has 8 divisors (see below), whose sum is σ = 85656384. Its totient is φ = 53535120.

The previous prime is 68703473. The next prime is 68703493. The reversal of 68703481 is 18430786.

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 68703481 - 2³ = 68703473 is a prime.

It is a super-2 number, since 2×68703481² = 9440336603034722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 68703481.

It is not an unprimeable number, because it can be changed into a prime (68703421) 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, 446050 + ... + 446203.

It is an arithmetic number, because the mean of its divisors is an integer number (10707048).

Almost surely, 2^68703481 is an apocalyptic number.

It is an amenable number.

68703481 is a deficient number, since it is larger than the sum of its proper divisors (16952903).

68703481 is a wasteful number, since it uses less digits than its factorization.

68703481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 892271.

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 68703481 is about 8288.7562999524. The cubic root of 68703481 is about 409.5682168618.

The spelling of 68703481 in words is "sixty-eight million, seven hundred three thousand, four hundred eighty-one".