64109390 has 8 divisors (see below), whose sum is σ = 115396920. Its totient is φ = 25643752.

The previous prime is 64109359. The next prime is 64109411. The reversal of 64109390 is 9390146.

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

It is a super-2 number, since 2×64109390² = 8220027772344200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3205460 + ... + 3205479.

It is an arithmetic number, because the mean of its divisors is an integer number (14424615).

Almost surely, 2^64109390 is an apocalyptic number.

64109390 is a deficient number, since it is larger than the sum of its proper divisors (51287530).

64109390 is a wasteful number, since it uses less digits than its factorization.

64109390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6410946.

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 64109390 is about 8006.8339560653. The cubic root of 64109390 is about 400.2277661152.

The spelling of 64109390 in words is "sixty-four million, one hundred nine thousand, three hundred ninety".