70286993 has 8 divisors (see below), whose sum is σ = 85053312. Its totient is φ = 56702016.

The previous prime is 70286989. The next prime is 70287031. The reversal of 70286993 is 39968207.

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

It is not a de Polignac number, because 70286993 - 2² = 70286989 is a prime.

It is a super-2 number, since 2×70286993² = 9880522769964098, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (70286903) 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, 295205 + ... + 295442.

It is an arithmetic number, because the mean of its divisors is an integer number (10631664).

Almost surely, 2^70286993 is an apocalyptic number.

It is an amenable number.

70286993 is a deficient number, since it is larger than the sum of its proper divisors (14766319).

70286993 is a wasteful number, since it uses less digits than its factorization.

70286993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 590671.

The product of its (nonzero) digits is 163296, while the sum is 44.

The square root of 70286993 is about 8383.7338340384. The cubic root of 70286993 is about 412.6909905890.

The spelling of 70286993 in words is "seventy million, two hundred eighty-six thousand, nine hundred ninety-three".