65450370 has 32 divisors (see below), whose sum is σ = 157308480. Its totient is φ = 17428160.

The previous prime is 65450369. The next prime is 65450381. The reversal of 65450370 is 7305456.

65450370 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 29500 + ... + 31640.

It is an arithmetic number, because the mean of its divisors is an integer number (4915890).

Almost surely, 2^65450370 is an apocalyptic number.

65450370 is an abundant number, since it is smaller than the sum of its proper divisors (91858110).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65450370 is a wasteful number, since it uses less digits than its factorization.

65450370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3170.

The product of its (nonzero) digits is 12600, while the sum is 30.

The square root of 65450370 is about 8090.1402954461. The cubic root of 65450370 is about 402.9990620367. Note that the first 3 decimals are identical.

The spelling of 65450370 in words is "sixty-five million, four hundred fifty thousand, three hundred seventy".