64429258 has 4 divisors (see below), whose sum is σ = 96643890. Its totient is φ = 32214628.

The previous prime is 64429249. The next prime is 64429283. The reversal of 64429258 is 85292446.

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., 57653649 + 6775609 = 7593^2 + 2603^2 .

It is a super-2 number, since 2×64429258² = 8302258572861128, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 64429258.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16107313 + ... + 16107316.

Almost surely, 2^64429258 is an apocalyptic number.

64429258 is a deficient number, since it is larger than the sum of its proper divisors (32214632).

64429258 is a wasteful number, since it uses less digits than its factorization.

64429258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32214631.

The product of its digits is 138240, while the sum is 40.

The square root of 64429258 is about 8026.7837892895. The cubic root of 64429258 is about 400.8922955416.

The spelling of 64429258 in words is "sixty-four million, four hundred twenty-nine thousand, two hundred fifty-eight".