7942017924 has 45 divisors (see below), whose sum is σ = 20766197991. Its totient is φ = 2646804600.

The previous prime is 7942017893. The next prime is 7942017971. The reversal of 7942017924 is 4297102497.

It is a happy number.

The square root of 7942017924 is 89118.

It is a perfect power (a square), and thus also a powerful number.

It is a self number, because there is not a number n which added to its sum of digits gives 7942017924.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 1601649 + ... + 1606599.

Almost surely, 2^7942017924 is an apocalyptic number.

7942017924 is the 89118-th square number.

It is an amenable number.

7942017924 is an abundant number, since it is smaller than the sum of its proper divisors (12824180067).

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

7942017924 is an frugal number, since it uses more digits than its factorization.

7942017924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9918 (or 4956 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The cubic root of 7942017924 is about 1995.1564397646.

It can be divided in two parts, 79420 and 17924, that added together give a square (97344 = 312²).

The spelling of 7942017924 in words is "seven billion, nine hundred forty-two million, seventeen thousand, nine hundred twenty-four".