68476490 has 8 divisors (see below), whose sum is σ = 123257700. Its totient is φ = 27390592.

The previous prime is 68476487. The next prime is 68476517. The reversal of 68476490 is 9467486.

It can be written as a sum of positive squares in 2 ways, for example, as 61669609 + 6806881 = 7853^2 + 2609^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3423815 + ... + 3423834.

Almost surely, 2^68476490 is an apocalyptic number.

68476490 is a deficient number, since it is larger than the sum of its proper divisors (54781210).

68476490 is a wasteful number, since it uses less digits than its factorization.

68476490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6847656.

The product of its (nonzero) digits is 290304, while the sum is 44.

The square root of 68476490 is about 8275.0522656960. The cubic root of 68476490 is about 409.1166585962.

The spelling of 68476490 in words is "sixty-eight million, four hundred seventy-six thousand, four hundred ninety".