64870350 has 48 divisors (see below), whose sum is σ = 167882112. Its totient is φ = 16545760.

The previous prime is 64870349. The next prime is 64870391. The reversal of 64870350 is 5307846.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5952 + ... + 12851.

It is an arithmetic number, because the mean of its divisors is an integer number (3497544).

Almost surely, 2^64870350 is an apocalyptic number.

64870350 is an abundant number, since it is smaller than the sum of its proper divisors (103011762).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64870350 is a wasteful number, since it uses less digits than its factorization.

64870350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18841 (or 18836 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 64870350 is about 8054.2131831731. The cubic root of 64870350 is about 401.8050712085.

The spelling of 64870350 in words is "sixty-four million, eight hundred seventy thousand, three hundred fifty".