68674040 has 32 divisors (see below), whose sum is σ = 156699360. Its totient is φ = 27081600.

The previous prime is 68674027. The next prime is 68674049. The reversal of 68674040 is 4047686.

It is a super-2 number, since 2×68674040² = 9432247539843200, which contains 22 as substring.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68674049) 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, 9251 + ... + 14930.

It is an arithmetic number, because the mean of its divisors is an integer number (4896855).

Almost surely, 2^68674040 is an apocalyptic number.

It is an amenable number.

68674040 is an abundant number, since it is smaller than the sum of its proper divisors (88025320).

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

68674040 is a wasteful number, since it uses less digits than its factorization.

68674040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24263 (or 24259 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 68674040 is about 8286.9801496082. The cubic root of 68674040 is about 409.5097054128.

The spelling of 68674040 in words is "sixty-eight million, six hundred seventy-four thousand, forty".