61933642 has 8 divisors (see below), whose sum is σ = 93420000. Its totient is φ = 30793644.

The previous prime is 61933621. The next prime is 61933679. The reversal of 61933642 is 24633916.

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 2×61933642² = 7671552022768328, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 61933598 and 61933607.

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, 86142 + ... + 86857.

It is an arithmetic number, because the mean of its divisors is an integer number (11677500).

Almost surely, 2^61933642 is an apocalyptic number.

61933642 is a deficient number, since it is larger than the sum of its proper divisors (31486358).

61933642 is a wasteful number, since it uses less digits than its factorization.

61933642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173180.

The product of its digits is 23328, while the sum is 34.

The square root of 61933642 is about 7869.7930087138. The cubic root of 61933642 is about 395.6479074590.

The spelling of 61933642 in words is "sixty-one million, nine hundred thirty-three thousand, six hundred forty-two".