61572162 has 32 divisors (see below), whose sum is σ = 130118400. Its totient is φ = 19392128.

The previous prime is 61572157. The next prime is 61572193. The reversal of 61572162 is 26127516.

It is a super-2 number, since 2×61572162² = 7582262266708488, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4414 + ... + 11942.

It is an arithmetic number, because the mean of its divisors is an integer number (4066200).

Almost surely, 2^61572162 is an apocalyptic number.

61572162 is an abundant number, since it is smaller than the sum of its proper divisors (68546238).

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

61572162 is a wasteful number, since it uses less digits than its factorization.

61572162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7610.

The product of its digits is 5040, while the sum is 30.

The square root of 61572162 is about 7846.7931029179. The cubic root of 61572162 is about 394.8766628758.

Adding to 61572162 its reverse (26127516), we get a palindrome (87699678).

The spelling of 61572162 in words is "sixty-one million, five hundred seventy-two thousand, one hundred sixty-two".