64970430 has 64 divisors (see below), whose sum is σ = 188697600. Its totient is φ = 13976064.

The previous prime is 64970417. The next prime is 64970453. The reversal of 64970430 is 3407946.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 64970391 and 64970400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5530 + ... + 12669.

It is an arithmetic number, because the mean of its divisors is an integer number (2948400).

Almost surely, 2^64970430 is an apocalyptic number.

64970430 is an abundant number, since it is smaller than the sum of its proper divisors (123727170).

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

64970430 is a wasteful number, since it uses less digits than its factorization.

64970430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18233.

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 64970430 is about 8060.4236861346. The cubic root of 64970430 is about 402.0115959131.

The spelling of 64970430 in words is "sixty-four million, nine hundred seventy thousand, four hundred thirty".