7291861242 has 8 divisors (see below), whose sum is σ = 14583722496. Its totient is φ = 2430620412.

The previous prime is 7291861231. The next prime is 7291861259. The reversal of 7291861242 is 2421681927.

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

7291861242 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 7291861194 and 7291861203.

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, 607655098 + ... + 607655109.

It is an arithmetic number, because the mean of its divisors is an integer number (1822965312).

Almost surely, 2^7291861242 is an apocalyptic number.

7291861242 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7291861242 is a wasteful number, since it uses less digits than its factorization.

7291861242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1215310212.

The product of its digits is 96768, while the sum is 42.

The square root of 7291861242 is about 85392.3956918882. The cubic root of 7291861242 is about 1939.1562244491.

The spelling of 7291861242 in words is "seven billion, two hundred ninety-one million, eight hundred sixty-one thousand, two hundred forty-two".