64148712 has 32 divisors (see below), whose sum is σ = 168813600. Its totient is φ = 20257344.

The previous prime is 64148671. The next prime is 64148729. The reversal of 64148712 is 21784146.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69883 + ... + 70794.

It is an arithmetic number, because the mean of its divisors is an integer number (5275425).

Almost surely, 2^64148712 is an apocalyptic number.

It is an amenable number.

64148712 is an abundant number, since it is smaller than the sum of its proper divisors (104664888).

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

64148712 is a wasteful number, since it uses less digits than its factorization.

64148712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140705 (or 140701 counting only the distinct ones).

The product of its digits is 10752, while the sum is 33.

The square root of 64148712 is about 8009.2891070307. The cubic root of 64148712 is about 400.3095770100.

The spelling of 64148712 in words is "sixty-four million, one hundred forty-eight thousand, seven hundred twelve".