64678030 has 16 divisors (see below), whose sum is σ = 123269040. Its totient is φ = 24349312.

The previous prime is 64677973. The next prime is 64678037. The reversal of 64678030 is 3087646.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64678037) 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, 190060 + ... + 190399.

It is an arithmetic number, because the mean of its divisors is an integer number (7704315).

Almost surely, 2^64678030 is an apocalyptic number.

64678030 is a deficient number, since it is larger than the sum of its proper divisors (58591010).

64678030 is a wasteful number, since it uses less digits than its factorization.

64678030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380483.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 64678030 is about 8042.2652281556. The cubic root of 64678030 is about 401.4076033219.

The spelling of 64678030 in words is "sixty-four million, six hundred seventy-eight thousand, thirty".