64880342 has 4 divisors (see below), whose sum is σ = 97320516. Its totient is φ = 32440170.

The previous prime is 64880329. The next prime is 64880359. The reversal of 64880342 is 24308846.

It is a semiprime because it is the product of two primes.

It is a super-3 number, since 3×64880342³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16220084 + ... + 16220087.

It is an arithmetic number, because the mean of its divisors is an integer number (24330129).

Almost surely, 2^64880342 is an apocalyptic number.

64880342 is a deficient number, since it is larger than the sum of its proper divisors (32440174).

64880342 is a wasteful number, since it uses less digits than its factorization.

64880342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32440173.

The product of its (nonzero) digits is 36864, while the sum is 35.

The square root of 64880342 is about 8054.8334557581. The cubic root of 64880342 is about 401.8257002024.

The spelling of 64880342 in words is "sixty-four million, eight hundred eighty thousand, three hundred forty-two".