70713253 has 16 divisors (see below), whose sum is σ = 78963696. Its totient is φ = 62899200.

The previous prime is 70713241. The next prime is 70713277. The reversal of 70713253 is 35231707.

It can be written as a sum of positive squares in 8 ways, for example, as 27060804 + 43652449 = 5202^2 + 6607^2 .

It is not a de Polignac number, because 70713253 - 2⁵ = 70713221 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 (70713283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53703 + ... + 55003.

It is an arithmetic number, because the mean of its divisors is an integer number (4935231).

Almost surely, 2^70713253 is an apocalyptic number.

It is an amenable number.

70713253 is a deficient number, since it is larger than the sum of its proper divisors (8250443).

70713253 is a wasteful number, since it uses less digits than its factorization.

70713253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1464.

The product of its (nonzero) digits is 4410, while the sum is 28.

The square root of 70713253 is about 8409.1172545042. The cubic root of 70713253 is about 413.5235734716.

The spelling of 70713253 in words is "seventy million, seven hundred thirteen thousand, two hundred fifty-three".