45784620 has 216 divisors, whose sum is σ = 168058800. Its totient is φ = 10047744.

The previous prime is 45784619. The next prime is 45784639. The reversal of 45784620 is 2648754.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 255691 + ... + 255869.

It is an arithmetic number, because the mean of its divisors is an integer number (778050).

Almost surely, 2^45784620 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45784620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84029400).

45784620 is an abundant number, since it is smaller than the sum of its proper divisors (122274180).

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

45784620 is a wasteful number, since it uses less digits than its factorization.

45784620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237 (or 225 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The square root of 45784620 is about 6766.4333293102. The cubic root of 45784620 is about 357.7446969344.

The spelling of 45784620 in words is "forty-five million, seven hundred eighty-four thousand, six hundred twenty".