61532642 has 8 divisors (see below), whose sum is σ = 93336300. Its totient is φ = 30420544.

The previous prime is 61532641. The next prime is 61532687. The reversal of 61532642 is 24623516.

It can be written as a sum of positive squares in 2 ways, for example, as 57168721 + 4363921 = 7561^2 + 2089^2 .

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

It is not an unprimeable number, because it can be changed into a prime (61532641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 172667 + ... + 173022.

Almost surely, 2^61532642 is an apocalyptic number.

61532642 is a deficient number, since it is larger than the sum of its proper divisors (31803658).

61532642 is a wasteful number, since it uses less digits than its factorization.

61532642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345780.

The product of its digits is 8640, while the sum is 29.

The square root of 61532642 is about 7844.2744725054. The cubic root of 61532642 is about 394.7921611292.

The spelling of 61532642 in words is "sixty-one million, five hundred thirty-two thousand, six hundred forty-two".