68742410 has 32 divisors (see below), whose sum is σ = 135628992. Its totient is φ = 24878080.

The previous prime is 68742409. The next prime is 68742439. The reversal of 68742410 is 1424786.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23594 + ... + 26346.

It is an arithmetic number, because the mean of its divisors is an integer number (4238406).

Almost surely, 2^68742410 is an apocalyptic number.

68742410 is a deficient number, since it is larger than the sum of its proper divisors (66886582).

68742410 is a wasteful number, since it uses less digits than its factorization.

68742410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2998.

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 68742410 is about 8291.1042690344. The cubic root of 68742410 is about 409.6455592341.

The spelling of 68742410 in words is "sixty-eight million, seven hundred forty-two thousand, four hundred ten".