65430590 has 8 divisors (see below), whose sum is σ = 117775080. Its totient is φ = 26172232.

The previous prime is 65430581. The next prime is 65430611. The reversal of 65430590 is 9503456.

It is a happy number.

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

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, 3271520 + ... + 3271539.

It is an arithmetic number, because the mean of its divisors is an integer number (14721885).

Almost surely, 2^65430590 is an apocalyptic number.

65430590 is a deficient number, since it is larger than the sum of its proper divisors (52344490).

65430590 is a wasteful number, since it uses less digits than its factorization.

65430590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6543066.

The product of its (nonzero) digits is 16200, while the sum is 32.

The square root of 65430590 is about 8088.9177273601. The cubic root of 65430590 is about 402.9584606640.

The spelling of 65430590 in words is "sixty-five million, four hundred thirty thousand, five hundred ninety".