66029458 has 24 divisors (see below), whose sum is σ = 113609664. Its totient is φ = 28706040.

The previous prime is 66029419. The next prime is 66029471. The reversal of 66029458 is 85492066.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 66029458.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 366 + ... + 11497.

It is an arithmetic number, because the mean of its divisors is an integer number (4733736).

Almost surely, 2^66029458 is an apocalyptic number.

66029458 is a deficient number, since it is larger than the sum of its proper divisors (47580206).

66029458 is a wasteful number, since it uses less digits than its factorization.

66029458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11910 (or 11899 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 66029458 is about 8125.8512169495. The cubic root of 66029458 is about 404.1841177902.

The spelling of 66029458 in words is "sixty-six million, twenty-nine thousand, four hundred fifty-eight".