64049357 has 4 divisors (see below), whose sum is σ = 64821120. Its totient is φ = 63277596.

The previous prime is 64049341. The next prime is 64049389. The reversal of 64049357 is 75394046.

64049357 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 64049357 - 2⁴ = 64049341 is a prime.

It is a super-2 number, since 2×64049357² = 8204640264226898, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 64049357.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64049327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 385757 + ... + 385922.

It is an arithmetic number, because the mean of its divisors is an integer number (16205280).

Almost surely, 2^64049357 is an apocalyptic number.

It is an amenable number.

64049357 is a deficient number, since it is larger than the sum of its proper divisors (771763).

64049357 is an equidigital number, since it uses as much as digits as its factorization.

64049357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 771762.

The product of its (nonzero) digits is 90720, while the sum is 38.

The square root of 64049357 is about 8003.0842179750. The cubic root of 64049357 is about 400.1028006611.

The spelling of 64049357 in words is "sixty-four million, forty-nine thousand, three hundred fifty-seven".