47454100 has 18 divisors (see below), whose sum is σ = 102975614. Its totient is φ = 18981600.

The previous prime is 47454053. The next prime is 47454101. The reversal of 47454100 is 145474.

It can be written as a sum of positive squares in 3 ways, for example, as 174724 + 47279376 = 418^2 + 6876^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47454101) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 237171 + ... + 237370.

Almost surely, 2^47454100 is an apocalyptic number.

It is an amenable number.

47454100 is an abundant number, since it is smaller than the sum of its proper divisors (55521514).

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

47454100 is a wasteful number, since it uses less digits than its factorization.

47454100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474555 (or 474548 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 25.

The square root of 47454100 is about 6888.6936352258. The cubic root of 47454100 is about 362.0411316368.

Adding to 47454100 its reverse (145474), we get a palindrome (47599574).

The spelling of 47454100 in words is "forty-seven million, four hundred fifty-four thousand, one hundred".