7090400679 has 8 divisors (see below), whose sum is σ = 9455587440. Its totient is φ = 4726073856.

The previous prime is 7090400671. The next prime is 7090400699. The reversal of 7090400679 is 9760040907.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7090400679 - 2³ = 7090400671 is a prime.

It is a super-2 number, since 2×7090400679² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7090400679.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7090400671) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195492 + ... + 228905.

It is an arithmetic number, because the mean of its divisors is an integer number (1181948430).

Almost surely, 2^7090400679 is an apocalyptic number.

7090400679 is a deficient number, since it is larger than the sum of its proper divisors (2365186761).

7090400679 is a wasteful number, since it uses less digits than its factorization.

7090400679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429969.

The product of its (nonzero) digits is 95256, while the sum is 42.

The square root of 7090400679 is about 84204.5169750412. The cubic root of 7090400679 is about 1921.1307610586.

The spelling of 7090400679 in words is "seven billion, ninety million, four hundred thousand, six hundred seventy-nine".