64970330 has 8 divisors (see below), whose sum is σ = 116946612. Its totient is φ = 25988128.

The previous prime is 64970303. The next prime is 64970357. The reversal of 64970330 is 3307946.

It is an interprime number because it is at equal distance from previous prime (64970303) and next prime (64970357).

It can be written as a sum of positive squares in 2 ways, for example, as 60730849 + 4239481 = 7793^2 + 2059^2 .

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

It is a super-2 number, since 2×64970330² = 8442287560617800, which contains 22 as substring.

It is a Curzon number.

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, 3248507 + ... + 3248526.

Almost surely, 2^64970330 is an apocalyptic number.

64970330 is a deficient number, since it is larger than the sum of its proper divisors (51976282).

64970330 is a wasteful number, since it uses less digits than its factorization.

64970330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6497040.

The product of its (nonzero) digits is 13608, while the sum is 32.

The square root of 64970330 is about 8060.4174829844. The cubic root of 64970330 is about 402.0113896594.

The spelling of 64970330 in words is "sixty-four million, nine hundred seventy thousand, three hundred thirty".