61791242 has 8 divisors (see below), whose sum is σ = 92731716. Its totient is φ = 30880672.

The previous prime is 61791239. The next prime is 61791253. The reversal of 61791242 is 24219716.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 61136761 + 654481 = 7819^2 + 809^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 61791199 and 61791208.

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, 1283 + ... + 11190.

Almost surely, 2^61791242 is an apocalyptic number.

61791242 is a deficient number, since it is larger than the sum of its proper divisors (30940474).

61791242 is a wasteful number, since it uses less digits than its factorization.

61791242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14952.

The product of its digits is 6048, while the sum is 32.

The square root of 61791242 is about 7860.7405503553. The cubic root of 61791242 is about 395.3444455856.

The spelling of 61791242 in words is "sixty-one million, seven hundred ninety-one thousand, two hundred forty-two".