64506038 has 8 divisors (see below), whose sum is σ = 99119160. Its totient is φ = 31466320.

The previous prime is 64506037. The next prime is 64506073. The reversal of 64506038 is 83060546.

64506038 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×64506038² = 8322057876914888, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 64505995 and 64506013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64506031) 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, 393248 + ... + 393411.

It is an arithmetic number, because the mean of its divisors is an integer number (12389895).

Almost surely, 2^64506038 is an apocalyptic number.

64506038 is a deficient number, since it is larger than the sum of its proper divisors (34613122).

64506038 is a wasteful number, since it uses less digits than its factorization.

64506038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 786702.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 64506038 is about 8031.5651027680. The cubic root of 64506038 is about 401.0514793891.

The spelling of 64506038 in words is "sixty-four million, five hundred six thousand, thirty-eight".