68621902 has 8 divisors (see below), whose sum is σ = 105714936. Its totient is φ = 33383592.

The previous prime is 68621899. The next prime is 68621933. The reversal of 68621902 is 20912686.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 463588 + ... + 463735.

It is an arithmetic number, because the mean of its divisors is an integer number (13214367).

Almost surely, 2^68621902 is an apocalyptic number.

68621902 is a deficient number, since it is larger than the sum of its proper divisors (37093034).

68621902 is a wasteful number, since it uses less digits than its factorization.

68621902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 927362.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 68621902 is about 8283.8337742859. The cubic root of 68621902 is about 409.4060445894.

The spelling of 68621902 in words is "sixty-eight million, six hundred twenty-one thousand, nine hundred two".