62991998 has 8 divisors (see below), whose sum is σ = 94642992. Its totient is φ = 31444336.

The previous prime is 62991979. The next prime is 62992001. The reversal of 62991998 is 89919926.

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, 24290 + ... + 26757.

It is an arithmetic number, because the mean of its divisors is an integer number (11830374).

Almost surely, 2^62991998 is an apocalyptic number.

62991998 is a deficient number, since it is larger than the sum of its proper divisors (31650994).

62991998 is a wasteful number, since it uses less digits than its factorization.

62991998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51666.

The product of its digits is 629856, while the sum is 53.

The square root of 62991998 is about 7936.7498385674. The cubic root of 62991998 is about 397.8888732955. Note that the first 4 decimals are identical.

The spelling of 62991998 in words is "sixty-two million, nine hundred ninety-one thousand, nine hundred ninety-eight".