4247772542 has 8 divisors (see below), whose sum is σ = 6861786456. Its totient is φ = 1960510392.

The previous prime is 4247772523. The next prime is 4247772559. The reversal of 4247772542 is 2452777424.

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 = 4247772493 and 4247772502.

It is a congruent number.

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, 81687908 + ... + 81687959.

It is an arithmetic number, because the mean of its divisors is an integer number (857723307).

Almost surely, 2^4247772542 is an apocalyptic number.

4247772542 is a deficient number, since it is larger than the sum of its proper divisors (2614013914).

4247772542 is a wasteful number, since it uses less digits than its factorization.

4247772542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163375882.

The product of its digits is 878080, while the sum is 44.

The square root of 4247772542 is about 65174.9379899974. The cubic root of 4247772542 is about 1619.5228669030.

The spelling of 4247772542 in words is "four billion, two hundred forty-seven million, seven hundred seventy-two thousand, five hundred forty-two".