64420294 has 8 divisors (see below), whose sum is σ = 99747648. Its totient is φ = 31171080.

The previous prime is 64420273. The next prime is 64420351. The reversal of 64420294 is 49202446.

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

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 519457 + ... + 519580.

It is an arithmetic number, because the mean of its divisors is an integer number (12468456).

Almost surely, 2^64420294 is an apocalyptic number.

64420294 is a deficient number, since it is larger than the sum of its proper divisors (35327354).

64420294 is a wasteful number, since it uses less digits than its factorization.

64420294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1039070.

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 64420294 is about 8026.2253893097. The cubic root of 64420294 is about 400.8737027194.

The spelling of 64420294 in words is "sixty-four million, four hundred twenty thousand, two hundred ninety-four".