64572470 has 8 divisors (see below), whose sum is σ = 116230464. Its totient is φ = 25828984.

The previous prime is 64572461. The next prime is 64572479. The reversal of 64572470 is 7427546.

It is an interprime number because it is at equal distance from previous prime (64572461) and next prime (64572479).

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

It is a self number, because there is not a number n which added to its sum of digits gives 64572470.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64572479) 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, 3228614 + ... + 3228633.

It is an arithmetic number, because the mean of its divisors is an integer number (14528808).

Almost surely, 2^64572470 is an apocalyptic number.

64572470 is a deficient number, since it is larger than the sum of its proper divisors (51657994).

64572470 is a wasteful number, since it uses less digits than its factorization.

64572470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6457254.

The product of its (nonzero) digits is 47040, while the sum is 35.

The square root of 64572470 is about 8035.6997206217. The cubic root of 64572470 is about 401.1891073895.

The spelling of 64572470 in words is "sixty-four million, five hundred seventy-two thousand, four hundred seventy".