64150247 has 8 divisors (see below), whose sum is σ = 73450656. Its totient is φ = 54883872.

The previous prime is 64150241. The next prime is 64150277. The reversal of 64150247 is 74205146.

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

It is a cyclic number.

It is not a de Polignac number, because 64150247 - 2⁶ = 64150183 is a prime.

It is a super-2 number, since 2×64150247² = 8230508380322018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64150241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4328 + ... + 12125.

It is an arithmetic number, because the mean of its divisors is an integer number (9181332).

Almost surely, 2^64150247 is an apocalyptic number.

64150247 is a deficient number, since it is larger than the sum of its proper divisors (9300409).

64150247 is a wasteful number, since it uses less digits than its factorization.

64150247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17017.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 64150247 is about 8009.3849326899. The cubic root of 64150247 is about 400.3127699570.

The spelling of 64150247 in words is "sixty-four million, one hundred fifty thousand, two hundred forty-seven".