61168272 has 40 divisors (see below), whose sum is σ = 172384800. Its totient is φ = 18535680.

The previous prime is 61168271. The next prime is 61168273. The reversal of 61168272 is 27286116.

It is an interprime number because it is at equal distance from previous prime (61168271) and next prime (61168273).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (61168271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57397 + ... + 58452.

It is an arithmetic number, because the mean of its divisors is an integer number (4309620).

Almost surely, 2^61168272 is an apocalyptic number.

It is an amenable number.

61168272 is an abundant number, since it is smaller than the sum of its proper divisors (111216528).

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

61168272 is a wasteful number, since it uses less digits than its factorization.

61168272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115871 (or 115865 counting only the distinct ones).

The product of its digits is 8064, while the sum is 33.

The square root of 61168272 is about 7821.0147679185. The cubic root of 61168272 is about 394.0113544273.

The spelling of 61168272 in words is "sixty-one million, one hundred sixty-eight thousand, two hundred seventy-two".