64993354 has 16 divisors (see below), whose sum is σ = 101927808. Its totient is φ = 31022992.

The previous prime is 64993351. The next prime is 64993373. The reversal of 64993354 is 45339946.

It is a self number, because there is not a number n which added to its sum of digits gives 64993354.

It is not an unprimeable number, because it can be changed into a prime (64993351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30099 + ... + 32185.

It is an arithmetic number, because the mean of its divisors is an integer number (6370488).

Almost surely, 2^64993354 is an apocalyptic number.

64993354 is a deficient number, since it is larger than the sum of its proper divisors (36934454).

64993354 is a wasteful number, since it uses less digits than its factorization.

64993354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2789.

The product of its digits is 349920, while the sum is 43.

The square root of 64993354 is about 8061.8455703393. The cubic root of 64993354 is about 402.0588719337.

The spelling of 64993354 in words is "sixty-four million, nine hundred ninety-three thousand, three hundred fifty-four".