66435492 has 48 divisors (see below), whose sum is σ = 157671360. Its totient is φ = 21770112.

The previous prime is 66435469. The next prime is 66435493. The reversal of 66435492 is 29453466.

Its product of digits (155520) is a multiple of the sum of its prime factors (540).

It is a self number, because there is not a number n which added to its sum of digits gives 66435492.

It is not an unprimeable number, because it can be changed into a prime (66435493) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 337138 + ... + 337334.

It is an arithmetic number, because the mean of its divisors is an integer number (3284820).

Almost surely, 2^66435492 is an apocalyptic number.

It is an amenable number.

66435492 is an abundant number, since it is smaller than the sum of its proper divisors (91235868).

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

66435492 is a wasteful number, since it uses less digits than its factorization.

66435492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540 (or 538 counting only the distinct ones).

The product of its digits is 155520, while the sum is 39.

The square root of 66435492 is about 8150.7970162433. The cubic root of 66435492 is about 405.0109065802.

The spelling of 66435492 in words is "sixty-six million, four hundred thirty-five thousand, four hundred ninety-two".