68742015 has 16 divisors (see below), whose sum is σ = 110236896. Its totient is φ = 36579200.

The previous prime is 68741969. The next prime is 68742029. The reversal of 68742015 is 51024786.

It is not a de Polignac number, because 68742015 - 2⁶ = 68741951 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1945 + ... + 11885.

It is an arithmetic number, because the mean of its divisors is an integer number (6889806).

Almost surely, 2^68742015 is an apocalyptic number.

68742015 is a deficient number, since it is larger than the sum of its proper divisors (41494881).

68742015 is a wasteful number, since it uses less digits than its factorization.

68742015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10410.

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 68742015 is about 8291.0804482890. The cubic root of 68742015 is about 409.6447746127.

The spelling of 68742015 in words is "sixty-eight million, seven hundred forty-two thousand, fifteen".