7742124027 has 24 divisors (see below), whose sum is σ = 12217943088. Its totient is φ = 4685184000.

The previous prime is 7742124023. The next prime is 7742124029. The reversal of 7742124027 is 7204212477.

It is a happy number.

It is not a de Polignac number, because 7742124027 - 2² = 7742124023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7742123982 and 7742124000.

It is not an unprimeable number, because it can be changed into a prime (7742124023) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8527 + ... + 124727.

It is an arithmetic number, because the mean of its divisors is an integer number (509080962).

Almost surely, 2^7742124027 is an apocalyptic number.

7742124027 is a deficient number, since it is larger than the sum of its proper divisors (4475819061).

7742124027 is a wasteful number, since it uses less digits than its factorization.

7742124027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116891 (or 116888 counting only the distinct ones).

The product of its (nonzero) digits is 43904, while the sum is 36.

The square root of 7742124027 is about 87989.3404168937. The cubic root of 7742124027 is about 1978.2752067097.

It can be divided in two parts, 7742 and 124027, that added together give a square (131769 = 363²).

The spelling of 7742124027 in words is "seven billion, seven hundred forty-two million, one hundred twenty-four thousand, twenty-seven".