45684420 has 24 divisors (see below), whose sum is σ = 127916544. Its totient is φ = 12182496.

The previous prime is 45684383. The next prime is 45684433. The reversal of 45684420 is 2448654.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 380644 + ... + 380763.

It is an arithmetic number, because the mean of its divisors is an integer number (5329856).

Almost surely, 2^45684420 is an apocalyptic number.

It is an amenable number.

45684420 is an abundant number, since it is smaller than the sum of its proper divisors (82232124).

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

45684420 is a wasteful number, since it uses less digits than its factorization.

45684420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 761419 (or 761417 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 33.

The square root of 45684420 is about 6759.0250776277. The cubic root of 45684420 is about 357.4835306283.

The spelling of 45684420 in words is "forty-five million, six hundred eighty-four thousand, four hundred twenty".