70574699221 has 4 divisors (see below), whose sum is σ = 76003522252. Its totient is φ = 65145876192.

The previous prime is 70574699203. The next prime is 70574699233. The reversal of 70574699221 is 12299647507.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4262784100 + 66311915121 = 65290^2 + 257511^2 .

It is a cyclic number.

It is not a de Polignac number, because 70574699221 - 2¹¹ = 70574697173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70574699621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2714411496 + ... + 2714411521.

It is an arithmetic number, because the mean of its divisors is an integer number (19000880563).

Almost surely, 2^70574699221 is an apocalyptic number.

It is an amenable number.

70574699221 is a deficient number, since it is larger than the sum of its proper divisors (5428823031).

70574699221 is a wasteful number, since it uses less digits than its factorization.

70574699221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5428823030.

The product of its (nonzero) digits is 1905120, while the sum is 52.

The spelling of 70574699221 in words is "seventy billion, five hundred seventy-four million, six hundred ninety-nine thousand, two hundred twenty-one".