64542094 has 16 divisors (see below), whose sum is σ = 101204640. Its totient is φ = 30812320.

The previous prime is 64542091. The next prime is 64542109. The reversal of 64542094 is 49024546.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64542091) 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, 36912 + ... + 38620.

It is an arithmetic number, because the mean of its divisors is an integer number (6325290).

Almost surely, 2^64542094 is an apocalyptic number.

64542094 is a deficient number, since it is larger than the sum of its proper divisors (36662546).

64542094 is a wasteful number, since it uses less digits than its factorization.

64542094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2555.

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 64542094 is about 8033.8094326415. The cubic root of 64542094 is about 401.1261887714.

The spelling of 64542094 in words is "sixty-four million, five hundred forty-two thousand, ninety-four".