64461458 has 4 divisors (see below), whose sum is σ = 96692190. Its totient is φ = 32230728.

The previous prime is 64461451. The next prime is 64461469. The reversal of 64461458 is 85416446.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 64048009 + 413449 = 8003^2 + 643^2 .

It is not an unprimeable number, because it can be changed into a prime (64461451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16115363 + ... + 16115366.

Almost surely, 2^64461458 is an apocalyptic number.

64461458 is a deficient number, since it is larger than the sum of its proper divisors (32230732).

64461458 is a wasteful number, since it uses less digits than its factorization.

64461458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32230731.

The product of its digits is 92160, while the sum is 38.

The square root of 64461458 is about 8028.7893234285. The cubic root of 64461458 is about 400.9590694599.

The spelling of 64461458 in words is "sixty-four million, four hundred sixty-one thousand, four hundred fifty-eight".