64998746 has 8 divisors (see below), whose sum is σ = 97536960. Its totient is φ = 32486428.

The previous prime is 64998743. The next prime is 64998749. The reversal of 64998746 is 64789946.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (64998743) and next prime (64998749).

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (64998743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2045 + ... + 11583.

It is an arithmetic number, because the mean of its divisors is an integer number (12192120).

Almost surely, 2^64998746 is an apocalyptic number.

64998746 is a deficient number, since it is larger than the sum of its proper divisors (32538214).

64998746 is a wasteful number, since it uses less digits than its factorization.

64998746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12948.

The product of its digits is 2612736, while the sum is 53.

The square root of 64998746 is about 8062.1799781449. The cubic root of 64998746 is about 402.0699902063.

The spelling of 64998746 in words is "sixty-four million, nine hundred ninety-eight thousand, seven hundred forty-six".