64427150 has 12 divisors (see below), whose sum is σ = 119834592. Its totient is φ = 25770840.

The previous prime is 64427141. The next prime is 64427159. The reversal of 64427150 is 5172446.

It is an interprime number because it is at equal distance from previous prime (64427141) and next prime (64427159).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64427159) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 644222 + ... + 644321.

It is an arithmetic number, because the mean of its divisors is an integer number (9986216).

Almost surely, 2^64427150 is an apocalyptic number.

64427150 is a deficient number, since it is larger than the sum of its proper divisors (55407442).

64427150 is a wasteful number, since it uses less digits than its factorization.

64427150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1288555 (or 1288550 counting only the distinct ones).

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

The square root of 64427150 is about 8026.6524778391. The cubic root of 64427150 is about 400.8879233552.

Adding to 64427150 its reverse (5172446), we get a palindrome (69599596).

The spelling of 64427150 in words is "sixty-four million, four hundred twenty-seven thousand, one hundred fifty".