7422688072 has 8 divisors (see below), whose sum is σ = 13917540150. Its totient is φ = 3711344032.

The previous prime is 7422688037. The next prime is 7422688111. The reversal of 7422688072 is 2708862247.

It can be written as a sum of positive squares in only one way, i.e., 7414243236 + 8444836 = 86106^2 + 2906^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×7422688072² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 463917997 + ... + 463918012.

Almost surely, 2^7422688072 is an apocalyptic number.

It is an amenable number.

7422688072 is a deficient number, since it is larger than the sum of its proper divisors (6494852078).

7422688072 is a wasteful number, since it uses less digits than its factorization.

7422688072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 927836015 (or 927836011 counting only the distinct ones).

The product of its (nonzero) digits is 602112, while the sum is 46.

The square root of 7422688072 is about 86155.0234867358. The cubic root of 7422688072 is about 1950.6846661747.

The spelling of 7422688072 in words is "seven billion, four hundred twenty-two million, six hundred eighty-eight thousand, seventy-two".