64700998 has 4 divisors (see below), whose sum is σ = 97051500. Its totient is φ = 32350498.

The previous prime is 64700971. The next prime is 64701011. The reversal of 64700998 is 89900746.

64700998 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16175248 + ... + 16175251.

It is an arithmetic number, because the mean of its divisors is an integer number (24262875).

Almost surely, 2^64700998 is an apocalyptic number.

64700998 is a deficient number, since it is larger than the sum of its proper divisors (32350502).

64700998 is a wasteful number, since it uses less digits than its factorization.

64700998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32350501.

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 64700998 is about 8043.6930572965. The cubic root of 64700998 is about 401.4551126989.

The spelling of 64700998 in words is "sixty-four million, seven hundred thousand, nine hundred ninety-eight".