71422078594 has 8 divisors (see below), whose sum is σ = 107141499468. Its totient is φ = 35708245440.

The previous prime is 71422078579. The next prime is 71422078601. The reversal of 71422078594 is 49587022417.

It can be written as a sum of positive squares in 2 ways, for example, as 69874049569 + 1548029025 = 264337^2 + 39345^2 .

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

It is a super-2 number, since 2×71422078594² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1364827 + ... + 1416190.

Almost surely, 2^71422078594 is an apocalyptic number.

71422078594 is a deficient number, since it is larger than the sum of its proper divisors (35719420874).

71422078594 is a wasteful number, since it uses less digits than its factorization.

71422078594 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2793860.

The product of its (nonzero) digits is 1128960, while the sum is 49.

The spelling of 71422078594 in words is "seventy-one billion, four hundred twenty-two million, seventy-eight thousand, five hundred ninety-four".