70663339 has 8 divisors (see below), whose sum is σ = 75010320. Its totient is φ = 66337536.

The previous prime is 70663331. The next prime is 70663349. The reversal of 70663339 is 93336607.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 70663339 - 2³ = 70663331 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 70663298 and 70663307.

It is not an unprimeable number, because it can be changed into a prime (70663331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1872 + ... + 12034.

It is an arithmetic number, because the mean of its divisors is an integer number (9376290).

Almost surely, 2^70663339 is an apocalyptic number.

70663339 is a deficient number, since it is larger than the sum of its proper divisors (4346981).

70663339 is a wasteful number, since it uses less digits than its factorization.

70663339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10589.

The product of its (nonzero) digits is 61236, while the sum is 37.

The square root of 70663339 is about 8406.1488804327. The cubic root of 70663339 is about 413.4262533174.

The spelling of 70663339 in words is "seventy million, six hundred sixty-three thousand, three hundred thirty-nine".