66492030 has 32 divisors (see below), whose sum is σ = 174089088. Its totient is φ = 16119200.

The previous prime is 66492029. The next prime is 66492067. The reversal of 66492030 is 3029466.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100416 + ... + 101075.

It is an arithmetic number, because the mean of its divisors is an integer number (5440284).

Almost surely, 2^66492030 is an apocalyptic number.

66492030 is an abundant number, since it is smaller than the sum of its proper divisors (107597058).

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

66492030 is a wasteful number, since it uses less digits than its factorization.

66492030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201512.

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 66492030 is about 8154.2645284538. The cubic root of 66492030 is about 405.1257649354.

The spelling of 66492030 in words is "sixty-six million, four hundred ninety-two thousand, thirty".