68427902 has 4 divisors (see below), whose sum is σ = 102641856. Its totient is φ = 34213950.

The previous prime is 68427899. The next prime is 68427923. The reversal of 68427902 is 20972486.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20972486 = 2 ⋅10486243.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17106974 + ... + 17106977.

It is an arithmetic number, because the mean of its divisors is an integer number (25660464).

Almost surely, 2^68427902 is an apocalyptic number.

68427902 is a deficient number, since it is larger than the sum of its proper divisors (34213954).

68427902 is a wasteful number, since it uses less digits than its factorization.

68427902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34213953.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 68427902 is about 8272.1159324565. The cubic root of 68427902 is about 409.0198717835.

The spelling of 68427902 in words is "sixty-eight million, four hundred twenty-seven thousand, nine hundred two".