66072024 has 40 divisors (see below), whose sum is σ = 185064660. Its totient is φ = 22023792.

The previous prime is 66072023. The next prime is 66072029. The reversal of 66072024 is 42027066.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66072023) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 50334 + ... + 51629.

Almost surely, 2^66072024 is an apocalyptic number.

It is an amenable number.

66072024 is an abundant number, since it is smaller than the sum of its proper divisors (118992636).

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

66072024 is a wasteful number, since it uses less digits than its factorization.

66072024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101981 (or 101968 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 66072024 is about 8128.4699667281. The cubic root of 66072024 is about 404.2709517884.

The spelling of 66072024 in words is "sixty-six million, seventy-two thousand, twenty-four".