70140260 has 24 divisors (see below), whose sum is σ = 148289400. Its totient is φ = 27866624.

The previous prime is 70140247. The next prime is 70140263. The reversal of 70140260 is 6204107.

It can be written as a sum of positive squares in 4 ways, for example, as 16384 + 70123876 = 128^2 + 8374^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (70140263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8789 + ... + 14748.

It is an arithmetic number, because the mean of its divisors is an integer number (6178725).

Almost surely, 2^70140260 is an apocalyptic number.

It is an amenable number.

70140260 is an abundant number, since it is smaller than the sum of its proper divisors (78149140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70140260 is a wasteful number, since it uses less digits than its factorization.

70140260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23695 (or 23693 counting only the distinct ones).

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

The square root of 70140260 is about 8374.9782089269. The cubic root of 70140260 is about 412.4036089437.

Adding to 70140260 its reverse (6204107), we get a palindrome (76344367).

The spelling of 70140260 in words is "seventy million, one hundred forty thousand, two hundred sixty".