42473000 has 32 divisors (see below), whose sum is σ = 99389160. Its totient is φ = 16988800.

The previous prime is 42472993. The next prime is 42473029. The reversal of 42473000 is 37424.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 6160324 + 36312676 = 2482^2 + 6026^2 .

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 7 ways as a sum of consecutive naturals, for example, 20237 + ... + 22236.

Almost surely, 2^42473000 is an apocalyptic number.

42473000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42473000 is an abundant number, since it is smaller than the sum of its proper divisors (56916160).

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

42473000 is a wasteful number, since it uses less digits than its factorization.

42473000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42494 (or 42480 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 20.

The square root of 42473000 is about 6517.1312707356. The cubic root of 42473000 is about 348.9026857628.

The spelling of 42473000 in words is "forty-two million, four hundred seventy-three thousand".