68661934 has 48 divisors (see below), whose sum is σ = 121136400. Its totient is φ = 29082240.

The previous prime is 68661907. The next prime is 68661941. The reversal of 68661934 is 43916686.

It is a super-2 number, since 2×68661934² = 9428922361240712, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 501114 + ... + 501250.

It is an arithmetic number, because the mean of its divisors is an integer number (2523675).

Almost surely, 2^68661934 is an apocalyptic number.

68661934 is a deficient number, since it is larger than the sum of its proper divisors (52474466).

68661934 is a wasteful number, since it uses less digits than its factorization.

68661934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289 (or 278 counting only the distinct ones).

The product of its digits is 186624, while the sum is 43.

The square root of 68661934 is about 8286.2496945241. The cubic root of 68661934 is about 409.4856409296.

The spelling of 68661934 in words is "sixty-eight million, six hundred sixty-one thousand, nine hundred thirty-four".