42470032 has 30 divisors (see below), whose sum is σ = 90450374. Its totient is φ = 19303680.

The previous prime is 42470023. The next prime is 42470041. The reversal of 42470032 is 23007424.

It is an interprime number because it is at equal distance from previous prime (42470023) and next prime (42470041).

It can be written as a sum of positive squares in only one way, i.e., 29767936 + 12702096 = 5456^2 + 3564^2 .

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 42469985 and 42470012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9033 + ... + 12904.

Almost surely, 2^42470032 is an apocalyptic number.

It is an amenable number.

42470032 is an abundant number, since it is smaller than the sum of its proper divisors (47980342).

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

42470032 is a wasteful number, since it uses less digits than its factorization.

42470032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21967 (or 21950 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 22.

The square root of 42470032 is about 6516.9035592066. The cubic root of 42470032 is about 348.8945585031.

Adding to 42470032 its reverse (23007424), we get a palindrome (65477456).

It can be divided in two parts, 42 and 470032, that added together give a palindrome (470074).

The spelling of 42470032 in words is "forty-two million, four hundred seventy thousand, thirty-two".