64207150 has 72 divisors (see below), whose sum is σ = 141218640. Its totient is φ = 21651840.

The previous prime is 64207139. The next prime is 64207153. The reversal of 64207150 is 5170246.

It is a super-2 number, since 2×64207150² = 8245116222245000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64207153) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 178671 + ... + 179029.

It is an arithmetic number, because the mean of its divisors is an integer number (1961370).

Almost surely, 2^64207150 is an apocalyptic number.

64207150 is an abundant number, since it is smaller than the sum of its proper divisors (77011490).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64207150 is a wasteful number, since it uses less digits than its factorization.

64207150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458 (or 446 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 64207150 is about 8012.9364155720. The cubic root of 64207150 is about 400.4310977200.

Adding to 64207150 its reverse (5170246), we get a palindrome (69377396).

The spelling of 64207150 in words is "sixty-four million, two hundred seven thousand, one hundred fifty".