70245461 has 12 divisors (see below), whose sum is σ = 83153196. Its totient is φ = 58945920.

The previous prime is 70245443. The next prime is 70245463. The reversal of 70245461 is 16454207.

It can be written as a sum of positive squares in 2 ways, for example, as 22372900 + 47872561 = 4730^2 + 6919^2 .

It is not a de Polignac number, because 70245461 - 2¹⁰ = 70244437 is a prime.

It is a super-2 number, since 2×70245461² = 9868849582205042, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70245463) 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, 20756 + ... + 23901.

It is an arithmetic number, because the mean of its divisors is an integer number (6929433).

Almost surely, 2^70245461 is an apocalyptic number.

It is an amenable number.

70245461 is a deficient number, since it is larger than the sum of its proper divisors (12907735).

70245461 is a wasteful number, since it uses less digits than its factorization.

70245461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44692 (or 44681 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 70245461 is about 8381.2565287074. The cubic root of 70245461 is about 412.6096893480.

Adding to 70245461 its reverse (16454207), we get a palindrome (86699668).

The spelling of 70245461 in words is "seventy million, two hundred forty-five thousand, four hundred sixty-one".