70683969 has 4 divisors (see below), whose sum is σ = 94245296. Its totient is φ = 47122644.

The previous prime is 70683967. The next prime is 70683983. The reversal of 70683969 is 96938607.

It is a happy number.

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 not a de Polignac number, because 70683969 - 2¹ = 70683967 is a prime.

It is a super-2 number, since 2×70683969² = 9992446947185922, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (70683967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11780659 + ... + 11780664.

It is an arithmetic number, because the mean of its divisors is an integer number (23561324).

Almost surely, 2^70683969 is an apocalyptic number.

It is an amenable number.

70683969 is a deficient number, since it is larger than the sum of its proper divisors (23561327).

70683969 is a wasteful number, since it uses less digits than its factorization.

70683969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23561326.

The product of its (nonzero) digits is 489888, while the sum is 48.

The square root of 70683969 is about 8407.3758688428. The cubic root of 70683969 is about 413.4664823521.

The spelling of 70683969 in words is "seventy million, six hundred eighty-three thousand, nine hundred sixty-nine".