64780962 has 32 divisors (see below), whose sum is σ = 133227072. Its totient is φ = 20987904.

The previous prime is 64780951. The next prime is 64780967. The reversal of 64780962 is 26908746.

It is not an unprimeable number, because it can be changed into a prime (64780967) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65818 + ... + 66794.

It is an arithmetic number, because the mean of its divisors is an integer number (4163346).

Almost surely, 2^64780962 is an apocalyptic number.

64780962 is an abundant number, since it is smaller than the sum of its proper divisors (68446110).

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

64780962 is a wasteful number, since it uses less digits than its factorization.

64780962 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1282.

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 64780962 is about 8048.6621248503. The cubic root of 64780962 is about 401.6204308122.

The spelling of 64780962 in words is "sixty-four million, seven hundred eighty thousand, nine hundred sixty-two".