61533622 has 8 divisors (see below), whose sum is σ = 94264416. Its totient is φ = 30112152.

The previous prime is 61533617. The next prime is 61533623. The reversal of 61533622 is 22633516.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61533623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 327213 + ... + 327400.

It is an arithmetic number, because the mean of its divisors is an integer number (11783052).

Almost surely, 2^61533622 is an apocalyptic number.

61533622 is a deficient number, since it is larger than the sum of its proper divisors (32730794).

61533622 is a wasteful number, since it uses less digits than its factorization.

61533622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 654662.

The product of its digits is 6480, while the sum is 28.

The square root of 61533622 is about 7844.3369381994. The cubic root of 61533622 is about 394.7942570046.

The spelling of 61533622 in words is "sixty-one million, five hundred thirty-three thousand, six hundred twenty-two".