64065270 has 32 divisors (see below), whose sum is σ = 157335552. Its totient is φ = 16686432.

The previous prime is 64065233. The next prime is 64065289. The reversal of 64065270 is 7256046.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23542 + ... + 26121.

It is an arithmetic number, because the mean of its divisors is an integer number (4916736).

Almost surely, 2^64065270 is an apocalyptic number.

64065270 is an abundant number, since it is smaller than the sum of its proper divisors (93270282).

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

64065270 is a wasteful number, since it uses less digits than its factorization.

64065270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49716.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 64065270 is about 8004.0783354487. The cubic root of 64065270 is about 400.1359329670.

It can be divided in two parts, 6 and 4065270, that multiplied together give a triangular number (24391620 = T₆₉₈₄).

The spelling of 64065270 in words is "sixty-four million, sixty-five thousand, two hundred seventy".