42472532 has 6 divisors (see below), whose sum is σ = 74326938. Its totient is φ = 21236264.

The previous prime is 42472523. The next prime is 42472541. The reversal of 42472532 is 23527424.

It is an interprime number because it is at equal distance from previous prime (42472523) and next prime (42472541).

It can be written as a sum of positive squares in only one way, i.e., 26584336 + 15888196 = 5156^2 + 3986^2 .

It is a junction number, because it is equal to n+sod(n) for n = 42472495 and 42472504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5309063 + ... + 5309070.

It is an arithmetic number, because the mean of its divisors is an integer number (12387823).

Almost surely, 2^42472532 is an apocalyptic number.

It is an amenable number.

42472532 is a deficient number, since it is larger than the sum of its proper divisors (31854406).

42472532 is a wasteful number, since it uses less digits than its factorization.

42472532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10618137 (or 10618135 counting only the distinct ones).

The product of its digits is 13440, while the sum is 29.

The square root of 42472532 is about 6517.0953652682. The cubic root of 42472532 is about 348.9014042658.

Adding to 42472532 its reverse (23527424), we get a palindrome (65999956).

It can be divided in two parts, 4 and 2472532, that multiplied together give a triangular number (9890128 = T₄₄₄₇).

The spelling of 42472532 in words is "forty-two million, four hundred seventy-two thousand, five hundred thirty-two".