64149346 has 16 divisors (see below), whose sum is σ = 100626624. Its totient is φ = 30613264.

The previous prime is 64149329. The next prime is 64149359. The reversal of 64149346 is 64394146.

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, 24660 + ... + 27136.

It is an arithmetic number, because the mean of its divisors is an integer number (6289164).

Almost surely, 2^64149346 is an apocalyptic number.

64149346 is a deficient number, since it is larger than the sum of its proper divisors (36477278).

64149346 is a wasteful number, since it uses less digits than its factorization.

64149346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3065.

The product of its digits is 62208, while the sum is 37.

The square root of 64149346 is about 8009.3286859761. The cubic root of 64149346 is about 400.3108957969.

The spelling of 64149346 in words is "sixty-four million, one hundred forty-nine thousand, three hundred forty-six".