61652272 has 40 divisors (see below), whose sum is σ = 130772880. Its totient is φ = 27924480.

The previous prime is 61652267. The next prime is 61652291. The reversal of 61652272 is 27225616.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

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, 75804 + ... + 76612.

It is an arithmetic number, because the mean of its divisors is an integer number (3269322).

Almost surely, 2^61652272 is an apocalyptic number.

It is an amenable number.

61652272 is an abundant number, since it is smaller than the sum of its proper divisors (69120608).

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

61652272 is a wasteful number, since it uses less digits than its factorization.

61652272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1261 (or 1255 counting only the distinct ones).

The product of its digits is 10080, while the sum is 31.

The square root of 61652272 is about 7851.8960767448. The cubic root of 61652272 is about 395.0478433743.

Adding to 61652272 its reverse (27225616), we get a palindrome (88877888).

The spelling of 61652272 in words is "sixty-one million, six hundred fifty-two thousand, two hundred seventy-two".