61470372 has 36 divisors (see below), whose sum is σ = 148571696. Its totient is φ = 19780320.

The previous prime is 61470359. The next prime is 61470373. The reversal of 61470372 is 27307416.

It is not an unprimeable number, because it can be changed into a prime (61470373) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7047 + ... + 13137.

Almost surely, 2^61470372 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61470372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74285848).

61470372 is an abundant number, since it is smaller than the sum of its proper divisors (87101324).

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

61470372 is a wasteful number, since it uses less digits than its factorization.

61470372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6156 (or 6125 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 30.

The square root of 61470372 is about 7840.3043308280. The cubic root of 61470372 is about 394.6589418356.

Adding to 61470372 its reverse (27307416), we get a palindrome (88777788).

The spelling of 61470372 in words is "sixty-one million, four hundred seventy thousand, three hundred seventy-two".