68290519 has 8 divisors (see below), whose sum is σ = 77738112. Its totient is φ = 59382840.

The previous prime is 68290517. The next prime is 68290529. The reversal of 68290519 is 91509286.

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

It is not a de Polignac number, because 68290519 - 2¹ = 68290517 is a prime.

It is a super-2 number, since 2×68290519² = 9327189970578722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68290517) 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, 134709 + ... + 135214.

It is an arithmetic number, because the mean of its divisors is an integer number (9717264).

Almost surely, 2^68290519 is an apocalyptic number.

68290519 is a deficient number, since it is larger than the sum of its proper divisors (9447593).

68290519 is a wasteful number, since it uses less digits than its factorization.

68290519 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269957.

The product of its (nonzero) digits is 38880, while the sum is 40.

The square root of 68290519 is about 8263.8077785002. The cubic root of 68290519 is about 408.7459580568.

The spelling of 68290519 in words is "sixty-eight million, two hundred ninety thousand, five hundred nineteen".