61332818 has 8 divisors (see below), whose sum is σ = 94967040. Its totient is φ = 29677140.

The previous prime is 61332769. The next prime is 61332827. The reversal of 61332818 is 81823316.

It is a happy number.

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

It is a super-2 number, since 2×61332818² = 7523429127642248, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 494558 + ... + 494681.

It is an arithmetic number, because the mean of its divisors is an integer number (11870880).

Almost surely, 2^61332818 is an apocalyptic number.

61332818 is a deficient number, since it is larger than the sum of its proper divisors (33634222).

61332818 is a wasteful number, since it uses less digits than its factorization.

61332818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 989272.

The product of its digits is 6912, while the sum is 32.

The square root of 61332818 is about 7831.5271818465. The cubic root of 61332818 is about 394.3643421346.

The spelling of 61332818 in words is "sixty-one million, three hundred thirty-two thousand, eight hundred eighteen".