64071245 has 16 divisors (see below), whose sum is σ = 88273920. Its totient is φ = 43732224.

The previous prime is 64071239. The next prime is 64071251. The reversal of 64071245 is 54217046.

It is an interprime number because it is at equal distance from previous prime (64071239) and next prime (64071251).

It is a cyclic number.

It is not a de Polignac number, because 64071245 - 2¹² = 64067149 is a prime.

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, 3701 + ... + 11909.

It is an arithmetic number, because the mean of its divisors is an integer number (5517120).

Almost surely, 2^64071245 is an apocalyptic number.

It is an amenable number.

64071245 is a deficient number, since it is larger than the sum of its proper divisors (24202675).

64071245 is a wasteful number, since it uses less digits than its factorization.

64071245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8444.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 64071245 is about 8004.4515739681. The cubic root of 64071245 is about 400.1483720409.

The spelling of 64071245 in words is "sixty-four million, seventy-one thousand, two hundred forty-five".