45470000 has 50 divisors (see below), whose sum is σ = 110111628. Its totient is φ = 18184000.

The previous prime is 45469997. The next prime is 45470027. The reversal of 45470000 is 7454.

It is a tau number, because it is divible by the number of its divisors (50).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 7727 + ... + 12273.

Almost surely, 2^45470000 is an apocalyptic number.

45470000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45470000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55055814).

45470000 is an abundant number, since it is smaller than the sum of its proper divisors (64641628).

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

45470000 is an equidigital number, since it uses as much as digits as its factorization.

45470000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4575 (or 4554 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 20.

The square root of 45470000 is about 6743.1446669933. The cubic root of 45470000 is about 356.9233699005.

Adding to 45470000 its reverse (7454), we get a palindrome (45477454).

The spelling of 45470000 in words is "forty-five million, four hundred seventy thousand".