64379070 has 128 divisors (see below), whose sum is σ = 204871680. Its totient is φ = 14065920.

The previous prime is 64379069. The next prime is 64379083. The reversal of 64379070 is 7097346.

64379070 is a `hidden beast` number, since 643 + 7 + 9 + 0 + 7 + 0 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 42730 + ... + 44210.

It is an arithmetic number, because the mean of its divisors is an integer number (1600560).

Almost surely, 2^64379070 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64379070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102435840).

64379070 is an abundant number, since it is smaller than the sum of its proper divisors (140492610).

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

64379070 is a wasteful number, since it uses less digits than its factorization.

64379070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1527 (or 1521 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 36.

The square root of 64379070 is about 8023.6568969517. The cubic root of 64379070 is about 400.7881750966.

The spelling of 64379070 in words is "sixty-four million, three hundred seventy-nine thousand, seventy".