64073106 has 20 divisors (see below), whose sum is σ = 143571582. Its totient is φ = 21357648.

The previous prime is 64073089. The next prime is 64073117. The reversal of 64073106 is 60137046.

64073106 is a `hidden beast` number, since 640 + 7 + 3 + 10 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 58384881 + 5688225 = 7641^2 + 2385^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 64073106.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 197595 + ... + 197918.

Almost surely, 2^64073106 is an apocalyptic number.

64073106 is an abundant number, since it is smaller than the sum of its proper divisors (79498476).

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

64073106 is a wasteful number, since it uses less digits than its factorization.

64073106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395527 (or 395518 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 64073106 is about 8004.5678209382. The cubic root of 64073106 is about 400.1522462120.

The spelling of 64073106 in words is "sixty-four million, seventy-three thousand, one hundred six".