68727442 has 32 divisors (see below), whose sum is σ = 121305600. Its totient is φ = 28593600.

The previous prime is 68727431. The next prime is 68727457. The reversal of 68727442 is 24472786.

It is a super-2 number, since 2×68727442² = 9446922567726728, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 68727395 and 68727404.

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, 97692 + ... + 98392.

It is an arithmetic number, because the mean of its divisors is an integer number (3790800).

Almost surely, 2^68727442 is an apocalyptic number.

68727442 is a deficient number, since it is larger than the sum of its proper divisors (52578158).

68727442 is a wasteful number, since it uses less digits than its factorization.

68727442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 906.

The product of its digits is 150528, while the sum is 40.

The square root of 68727442 is about 8290.2015657039. The cubic root of 68727442 is about 409.6158249463.

It can be divided in two parts, 68727 and 442, that added together give a square (69169 = 263²).

The spelling of 68727442 in words is "sixty-eight million, seven hundred twenty-seven thousand, four hundred forty-two".