64831442 has 24 divisors (see below), whose sum is σ = 107120880. Its totient is φ = 29406000.

The previous prime is 64831433. The next prime is 64831469. The reversal of 64831442 is 24413846.

It is a junction number, because it is equal to n+sod(n) for n = 64831399 and 64831408.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18317 + ... + 21567.

It is an arithmetic number, because the mean of its divisors is an integer number (4463370).

Almost surely, 2^64831442 is an apocalyptic number.

64831442 is a deficient number, since it is larger than the sum of its proper divisors (42289438).

64831442 is a wasteful number, since it uses less digits than its factorization.

64831442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3338 (or 3325 counting only the distinct ones).

The product of its digits is 18432, while the sum is 32.

The square root of 64831442 is about 8051.7974390815. The cubic root of 64831442 is about 401.7247234672.

The spelling of 64831442 in words is "sixty-four million, eight hundred thirty-one thousand, four hundred forty-two".