64738357 has 4 divisors (see below), whose sum is σ = 65023776. Its totient is φ = 64452940.

The previous prime is 64738327. The next prime is 64738369. The reversal of 64738357 is 75383746.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 64738357 - 2⁷ = 64738229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64738327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142369 + ... + 142822.

It is an arithmetic number, because the mean of its divisors is an integer number (16255944).

Almost surely, 2^64738357 is an apocalyptic number.

It is an amenable number.

64738357 is a deficient number, since it is larger than the sum of its proper divisors (285419).

64738357 is a wasteful number, since it uses less digits than its factorization.

64738357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285418.

The product of its digits is 423360, while the sum is 43.

The square root of 64738357 is about 8046.0149763718. The cubic root of 64738357 is about 401.5323658907.

The spelling of 64738357 in words is "sixty-four million, seven hundred thirty-eight thousand, three hundred fifty-seven".