68872507 has 16 divisors (see below), whose sum is σ = 76723200. Its totient is φ = 61300800.

The previous prime is 68872471. The next prime is 68872519. The reversal of 68872507 is 70527886.

It is a happy number.

It is not a de Polignac number, because 68872507 - 2⁷ = 68872379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68872567) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 159582 + ... + 160012.

It is an arithmetic number, because the mean of its divisors is an integer number (4795200).

Almost surely, 2^68872507 is an apocalyptic number.

68872507 is a deficient number, since it is larger than the sum of its proper divisors (7850693).

68872507 is a wasteful number, since it uses less digits than its factorization.

68872507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 714.

The product of its (nonzero) digits is 188160, while the sum is 43.

The square root of 68872507 is about 8298.9461379141. The cubic root of 68872507 is about 409.9038184063.

The spelling of 68872507 in words is "sixty-eight million, eight hundred seventy-two thousand, five hundred seven".