64270894 has 4 divisors (see below), whose sum is σ = 96406344. Its totient is φ = 32135446.

The previous prime is 64270891. The next prime is 64270907. The reversal of 64270894 is 49807246.

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 (64270891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16067722 + ... + 16067725.

It is an arithmetic number, because the mean of its divisors is an integer number (24101586).

Almost surely, 2^64270894 is an apocalyptic number.

64270894 is a deficient number, since it is larger than the sum of its proper divisors (32135450).

64270894 is a wasteful number, since it uses less digits than its factorization.

64270894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32135449.

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 64270894 is about 8016.9129969085. The cubic root of 64270894 is about 400.5635681046.

It can be divided in two parts, 64 and 270894, that multiplied together give a triangular number (17337216 = T₅₈₈₈).

The spelling of 64270894 in words is "sixty-four million, two hundred seventy thousand, eight hundred ninety-four".