61324472 has 32 divisors (see below), whose sum is σ = 128113920. Its totient is φ = 27279840.

The previous prime is 61324469. The next prime is 61324481. The reversal of 61324472 is 27442316.

It is a congruent number.

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, 3278 + ... + 11549.

It is an arithmetic number, because the mean of its divisors is an integer number (4003560).

Almost surely, 2^61324472 is an apocalyptic number.

It is an amenable number.

61324472 is an abundant number, since it is smaller than the sum of its proper divisors (66789448).

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

61324472 is a wasteful number, since it uses less digits than its factorization.

61324472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14891 (or 14887 counting only the distinct ones).

The product of its digits is 8064, while the sum is 29.

The square root of 61324472 is about 7830.9943174542. The cubic root of 61324472 is about 394.3464533207.

Adding to 61324472 its reverse (27442316), we get a palindrome (88766788).

It can be divided in two parts, 613244 and 72, that added together give a palindrome (613316).

The spelling of 61324472 in words is "sixty-one million, three hundred twenty-four thousand, four hundred seventy-two".