70678231 has 8 divisors (see below), whose sum is σ = 80592624. Its totient is φ = 61403520.

The previous prime is 70678229. The next prime is 70678243. The reversal of 70678231 is 13287607.

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

It is a cyclic number.

It is not a de Polignac number, because 70678231 - 2¹ = 70678229 is a prime.

It is a super-2 number, since 2×70678231² = 9990824674578722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70678211) 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, 159685 + ... + 160126.

It is an arithmetic number, because the mean of its divisors is an integer number (10074078).

Almost surely, 2^70678231 is an apocalyptic number.

70678231 is a deficient number, since it is larger than the sum of its proper divisors (9914393).

70678231 is a wasteful number, since it uses less digits than its factorization.

70678231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319841.

The product of its (nonzero) digits is 14112, while the sum is 34.

The square root of 70678231 is about 8407.0346139409. The cubic root of 70678231 is about 413.4552938892.

The spelling of 70678231 in words is "seventy million, six hundred seventy-eight thousand, two hundred thirty-one".