70261267 has 4 divisors (see below), whose sum is σ = 70571016. Its totient is φ = 69951520.

The previous prime is 70261237. The next prime is 70261273. The reversal of 70261267 is 76216207.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 76216207 = 107 ⋅712301.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70261267 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70261207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154534 + ... + 154987.

It is an arithmetic number, because the mean of its divisors is an integer number (17642754).

Almost surely, 2^70261267 is an apocalyptic number.

70261267 is a deficient number, since it is larger than the sum of its proper divisors (309749).

70261267 is a wasteful number, since it uses less digits than its factorization.

70261267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309748.

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 70261267 is about 8382.1994130419. The cubic root of 70261267 is about 412.6406342640.

The spelling of 70261267 in words is "seventy million, two hundred sixty-one thousand, two hundred sixty-seven".