70020461 has 12 divisors (see below), whose sum is σ = 81815292. Its totient is φ = 59750208.

The previous prime is 70020451. The next prime is 70020463. The reversal of 70020461 is 16402007.

It can be written as a sum of positive squares in 2 ways, for example, as 44970436 + 25050025 = 6706^2 + 5005^2 .

It is not a de Polignac number, because 70020461 - 2⁶ = 70020397 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 (70020463) 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, 8351 + ... + 14483.

It is an arithmetic number, because the mean of its divisors is an integer number (6817941).

Almost surely, 2^70020461 is an apocalyptic number.

It is an amenable number.

70020461 is a deficient number, since it is larger than the sum of its proper divisors (11794831).

70020461 is a wasteful number, since it uses less digits than its factorization.

70020461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6380 (or 6373 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 70020461 is about 8367.8229546280. The cubic root of 70020461 is about 412.1686811255.

Adding to 70020461 its reverse (16402007), we get a palindrome (86422468).

The spelling of 70020461 in words is "seventy million, twenty thousand, four hundred sixty-one".