7157214005 has 8 divisors (see below), whose sum is σ = 8673693624. Its totient is φ = 5669080000.

The previous prime is 7157213983. The next prime is 7157214011. The reversal of 7157214005 is 5004127517.

It can be written as a sum of positive squares in 4 ways, for example, as 1680918001 + 5476296004 = 40999^2 + 74002^2 .

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

It is not a de Polignac number, because 7157214005 - 2⁶ = 7157213941 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 7085846 + ... + 7086855.

It is an arithmetic number, because the mean of its divisors is an integer number (1084211703).

Almost surely, 2^7157214005 is an apocalyptic number.

It is an amenable number.

7157214005 is a deficient number, since it is larger than the sum of its proper divisors (1516479619).

7157214005 is a wasteful number, since it uses less digits than its factorization.

7157214005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14172807.

The product of its (nonzero) digits is 9800, while the sum is 32.

The square root of 7157214005 is about 84600.3191778849. The cubic root of 7157214005 is about 1927.1462208525.

The spelling of 7157214005 in words is "seven billion, one hundred fifty-seven million, two hundred fourteen thousand, five".