70261740621 has 12 divisors (see below), whose sum is σ = 101502887772. Its totient is φ = 46834834176.

The previous prime is 70261740613. The next prime is 70261740629. The reversal of 70261740621 is 12604716207.

70261740621 is a `hidden beast` number, since 7 + 0 + 26 + 1 + 7 + 4 + 0 + 621 = 666.

It is an interprime number because it is at equal distance from previous prime (70261740613) and next prime (70261740629).

It can be written as a sum of positive squares in 2 ways, for example, as 5905154025 + 64356586596 = 76845^2 + 253686^2 .

It is not a de Polignac number, because 70261740621 - 2³ = 70261740613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70261740629) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 456346 + ... + 590571.

It is an arithmetic number, because the mean of its divisors is an integer number (8458573981).

Almost surely, 2^70261740621 is an apocalyptic number.

It is an amenable number.

70261740621 is a deficient number, since it is larger than the sum of its proper divisors (31241147151).

70261740621 is a wasteful number, since it uses less digits than its factorization.

70261740621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1054380 (or 1054377 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The spelling of 70261740621 in words is "seventy billion, two hundred sixty-one million, seven hundred forty thousand, six hundred twenty-one".