66034402 has 32 divisors (see below), whose sum is σ = 118554624. Its totient is φ = 26989200.

The previous prime is 66034333. The next prime is 66034417. The reversal of 66034402 is 20443066.

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 15 ways as a sum of consecutive naturals, for example, 29743 + ... + 31885.

It is an arithmetic number, because the mean of its divisors is an integer number (3704832).

Almost surely, 2^66034402 is an apocalyptic number.

66034402 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

66034402 is a deficient number, since it is larger than the sum of its proper divisors (52520222).

66034402 is a wasteful number, since it uses less digits than its factorization.

66034402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2254.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 66034402 is about 8126.1554255380. The cubic root of 66034402 is about 404.1942053908.

Adding to 66034402 its reverse (20443066), we get a palindrome (86477468).

The spelling of 66034402 in words is "sixty-six million, thirty-four thousand, four hundred two".