70696642 has 16 divisors (see below), whose sum is σ = 113282712. Its totient is φ = 32972800.

The previous prime is 70696597. The next prime is 70696643. The reversal of 70696642 is 24669607.

It can be written as a sum of positive squares in 4 ways, for example, as 48427681 + 22268961 = 6959^2 + 4719^2 .

It is a junction number, because it is equal to n+sod(n) for n = 70696595 and 70696604.

It is not an unprimeable number, because it can be changed into a prime (70696643) 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, 5359 + ... + 13042.

Almost surely, 2^70696642 is an apocalyptic number.

70696642 is a deficient number, since it is larger than the sum of its proper divisors (42586070).

70696642 is a wasteful number, since it uses less digits than its factorization.

70696642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18533.

The product of its (nonzero) digits is 108864, while the sum is 40.

The square root of 70696642 is about 8408.1295185077. The cubic root of 70696642 is about 413.4911911495.

The spelling of 70696642 in words is "seventy million, six hundred ninety-six thousand, six hundred forty-two".