64741730 has 8 divisors (see below), whose sum is σ = 116535132. Its totient is φ = 25896688.

The previous prime is 64741687. The next prime is 64741751. The reversal of 64741730 is 3714746.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 58049161 + 6692569 = 7619^2 + 2587^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3237077 + ... + 3237096.

Almost surely, 2^64741730 is an apocalyptic number.

64741730 is a deficient number, since it is larger than the sum of its proper divisors (51793402).

64741730 is a wasteful number, since it uses less digits than its factorization.

64741730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6474180.

The product of its (nonzero) digits is 14112, while the sum is 32.

The square root of 64741730 is about 8046.2245805098. The cubic root of 64741730 is about 401.5393393204.

The spelling of 64741730 in words is "sixty-four million, seven hundred forty-one thousand, seven hundred thirty".