64842254 has 4 divisors (see below), whose sum is σ = 97263384. Its totient is φ = 32421126.

The previous prime is 64842227. The next prime is 64842257. The reversal of 64842254 is 45224846.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64842257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16210562 + ... + 16210565.

It is an arithmetic number, because the mean of its divisors is an integer number (24315846).

Almost surely, 2^64842254 is an apocalyptic number.

64842254 is a deficient number, since it is larger than the sum of its proper divisors (32421130).

64842254 is a wasteful number, since it uses less digits than its factorization.

64842254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32421129.

The product of its digits is 61440, while the sum is 35.

The square root of 64842254 is about 8052.4688139725. The cubic root of 64842254 is about 401.7470542281.

The spelling of 64842254 in words is "sixty-four million, eight hundred forty-two thousand, two hundred fifty-four".