64873742 has 8 divisors (see below), whose sum is σ = 97383000. Its totient is φ = 32412744.

The previous prime is 64873729. The next prime is 64873763. The reversal of 64873742 is 24737846.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 64873742.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8492 + ... + 14207.

It is an arithmetic number, because the mean of its divisors is an integer number (12172875).

Almost surely, 2^64873742 is an apocalyptic number.

64873742 is a deficient number, since it is larger than the sum of its proper divisors (32509258).

64873742 is a wasteful number, since it uses less digits than its factorization.

64873742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24130.

The product of its digits is 225792, while the sum is 41.

The square root of 64873742 is about 8054.4237534413. The cubic root of 64873742 is about 401.8120744031.

The spelling of 64873742 in words is "sixty-four million, eight hundred seventy-three thousand, seven hundred forty-two".