64378106 has 8 divisors (see below), whose sum is σ = 103995444. Its totient is φ = 29712960.

The previous prime is 64378091. The next prime is 64378129. The reversal of 64378106 is 60187346.

It can be written as a sum of positive squares in 2 ways, for example, as 48177481 + 16200625 = 6941^2 + 4025^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1238015 + ... + 1238066.

Almost surely, 2^64378106 is an apocalyptic number.

64378106 is a deficient number, since it is larger than the sum of its proper divisors (39617338).

64378106 is a wasteful number, since it uses less digits than its factorization.

64378106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2476096.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 64378106 is about 8023.5968243675. The cubic root of 64378106 is about 400.7861746446.

The spelling of 64378106 in words is "sixty-four million, three hundred seventy-eight thousand, one hundred six".