68609562 has 16 divisors (see below), whose sum is σ = 156821952. Its totient is φ = 19602720.

The previous prime is 68609557. The next prime is 68609573. The reversal of 68609562 is 26590686.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 1633561 = 68609562 / (6 + 8 + 6 + 0 + 9 + 5 + 6 + 2).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 816739 + ... + 816822.

It is an arithmetic number, because the mean of its divisors is an integer number (9801372).

Almost surely, 2^68609562 is an apocalyptic number.

68609562 is an abundant number, since it is smaller than the sum of its proper divisors (88212390).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68609562 is a wasteful number, since it uses less digits than its factorization.

68609562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1633573.

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 68609562 is about 8283.0889165818. The cubic root of 68609562 is about 409.3815025053.

The spelling of 68609562 in words is "sixty-eight million, six hundred nine thousand, five hundred sixty-two".