64457037 has 12 divisors (see below), whose sum is σ = 93258204. Its totient is φ = 42900480.

The previous prime is 64457027. The next prime is 64457039. The reversal of 64457037 is 73075446.

64457037 is a `hidden beast` number, since 644 + 5 + 7 + 0 + 3 + 7 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 45846441 + 18610596 = 6771^2 + 4314^2 .

It is not a de Polignac number, because 64457037 - 2¹¹ = 64454989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 64456992 and 64457010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64457039) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 183 + ... + 11355.

It is an arithmetic number, because the mean of its divisors is an integer number (7771517).

Almost surely, 2^64457037 is an apocalyptic number.

It is an amenable number.

64457037 is a deficient number, since it is larger than the sum of its proper divisors (28801167).

64457037 is a wasteful number, since it uses less digits than its factorization.

64457037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11820 (or 11817 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 36.

The square root of 64457037 is about 8028.5139969984. The cubic root of 64457037 is about 400.9499028425.

The spelling of 64457037 in words is "sixty-four million, four hundred fifty-seven thousand, thirty-seven".