70231693 has 4 divisors (see below), whose sum is σ = 80264800. Its totient is φ = 60198588.

The previous prime is 70231687. The next prime is 70231699. The reversal of 70231693 is 39613207.

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 an interprime number because it is at equal distance from previous prime (70231687) and next prime (70231699).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70231693 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70231699) 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, 5016543 + ... + 5016556.

It is an arithmetic number, because the mean of its divisors is an integer number (20066200).

Almost surely, 2^70231693 is an apocalyptic number.

It is an amenable number.

70231693 is a deficient number, since it is larger than the sum of its proper divisors (10033107).

70231693 is a wasteful number, since it uses less digits than its factorization.

70231693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10033106.

The product of its (nonzero) digits is 6804, while the sum is 31.

The square root of 70231693 is about 8380.4351319010. The cubic root of 70231693 is about 412.5827306364.

The spelling of 70231693 in words is "seventy million, two hundred thirty-one thousand, six hundred ninety-three".