70397683 has 4 divisors (see below), whose sum is σ = 72668608. Its totient is φ = 68126760.

The previous prime is 70397669. The next prime is 70397699. The reversal of 70397683 is 38679307.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 70397683 - 2¹³ = 70389491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70397633) 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, 1135416 + ... + 1135477.

It is an arithmetic number, because the mean of its divisors is an integer number (18167152).

Almost surely, 2^70397683 is an apocalyptic number.

70397683 is a deficient number, since it is larger than the sum of its proper divisors (2270925).

70397683 is a wasteful number, since it uses less digits than its factorization.

70397683 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2270924.

The product of its (nonzero) digits is 190512, while the sum is 43.

The square root of 70397683 is about 8390.3327109239. The cubic root of 70397683 is about 412.9075162218.

The spelling of 70397683 in words is "seventy million, three hundred ninety-seven thousand, six hundred eighty-three".