70263969 has 4 divisors (see below), whose sum is σ = 93685296. Its totient is φ = 46842644.

The previous prime is 70263967. The next prime is 70263971. The reversal of 70263969 is 96936207.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (70263967) and next prime (70263971).

It is a cyclic number.

It is not a de Polignac number, because 70263969 - 2¹ = 70263967 is a prime.

It is a super-2 number, since 2×70263969² = 9874050679265922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 70263969.

It is not an unprimeable number, because it can be changed into a prime (70263961) 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, 11710659 + ... + 11710664.

It is an arithmetic number, because the mean of its divisors is an integer number (23421324).

Almost surely, 2^70263969 is an apocalyptic number.

It is an amenable number.

70263969 is a deficient number, since it is larger than the sum of its proper divisors (23421327).

70263969 is a wasteful number, since it uses less digits than its factorization.

70263969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23421326.

The product of its (nonzero) digits is 122472, while the sum is 42.

The square root of 70263969 is about 8382.3605863742. The cubic root of 70263969 is about 412.6459237630.

The spelling of 70263969 in words is "seventy million, two hundred sixty-three thousand, nine hundred sixty-nine".