7121677442 has 16 divisors (see below), whose sum is σ = 11664071712. Its totient is φ = 3234232320.

The previous prime is 7121677421. The next prime is 7121677483. The reversal of 7121677442 is 2447761217.

It is a self number, because there is not a number n which added to its sum of digits gives 7121677442.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119423 + ... + 168834.

It is an arithmetic number, because the mean of its divisors is an integer number (729004482).

Almost surely, 2^7121677442 is an apocalyptic number.

7121677442 is a deficient number, since it is larger than the sum of its proper divisors (4542394270).

7121677442 is a wasteful number, since it uses less digits than its factorization.

7121677442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289393.

The product of its digits is 131712, while the sum is 41.

The square root of 7121677442 is about 84390.0316506636. The cubic root of 7121677442 is about 1923.9514111040.

The spelling of 7121677442 in words is "seven billion, one hundred twenty-one million, six hundred seventy-seven thousand, four hundred forty-two".