64972214 has 8 divisors (see below), whose sum is σ = 98159880. Its totient is φ = 32252256.

The previous prime is 64972213. The next prime is 64972231. The reversal of 64972214 is 41227946.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64972211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116579 + ... + 117134.

It is an arithmetic number, because the mean of its divisors is an integer number (12269985).

Almost surely, 2^64972214 is an apocalyptic number.

64972214 is a deficient number, since it is larger than the sum of its proper divisors (33187666).

64972214 is a wasteful number, since it uses less digits than its factorization.

64972214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233854.

The product of its digits is 24192, while the sum is 35.

The square root of 64972214 is about 8060.5343495329. The cubic root of 64972214 is about 402.0152754441.

The spelling of 64972214 in words is "sixty-four million, nine hundred seventy-two thousand, two hundred fourteen".