64073741 has 8 divisors (see below), whose sum is σ = 65988384. Its totient is φ = 62178480.

The previous prime is 64073717. The next prime is 64073743. The reversal of 64073741 is 14737046.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 64073741 - 2¹⁸ = 63811597 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 64073698 and 64073707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64073743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2006 + ... + 11496.

It is an arithmetic number, because the mean of its divisors is an integer number (8248548).

Almost surely, 2^64073741 is an apocalyptic number.

It is an amenable number.

64073741 is a deficient number, since it is larger than the sum of its proper divisors (1914643).

64073741 is a wasteful number, since it uses less digits than its factorization.

64073741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9691.

The product of its (nonzero) digits is 14112, while the sum is 32.

The square root of 64073741 is about 8004.6074856922. The cubic root of 64073741 is about 400.1535681179.

The spelling of 64073741 in words is "sixty-four million, seventy-three thousand, seven hundred forty-one".