45666780 has 24 divisors (see below), whose sum is σ = 127867152. Its totient is φ = 12177792.

The previous prime is 45666773. The next prime is 45666781. The reversal of 45666780 is 8766654.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45666781) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 380497 + ... + 380616.

It is an arithmetic number, because the mean of its divisors is an integer number (5327798).

Almost surely, 2^45666780 is an apocalyptic number.

It is an amenable number.

45666780 is an abundant number, since it is smaller than the sum of its proper divisors (82200372).

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

45666780 is a wasteful number, since it uses less digits than its factorization.

45666780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 761125 (or 761123 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 42.

The square root of 45666780 is about 6757.7200297142. The cubic root of 45666780 is about 357.4375133260.

The spelling of 45666780 in words is "forty-five million, six hundred sixty-six thousand, seven hundred eighty".