64940952 has 32 divisors (see below), whose sum is σ = 171903600. Its totient is φ = 20373504.

The previous prime is 64940951. The next prime is 64940971. The reversal of 64940952 is 25904946.

It is a self number, because there is not a number n which added to its sum of digits gives 64940952.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64940951) 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, 79177 + ... + 79992.

Almost surely, 2^64940952 is an apocalyptic number.

It is an amenable number.

64940952 is an abundant number, since it is smaller than the sum of its proper divisors (106962648).

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

64940952 is a wasteful number, since it uses less digits than its factorization.

64940952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159195 (or 159191 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 64940952 is about 8058.5949147479. The cubic root of 64940952 is about 401.9507872728.

The spelling of 64940952 in words is "sixty-four million, nine hundred forty thousand, nine hundred fifty-two".