70204493 has 4 divisors (see below), whose sum is σ = 70254720. Its totient is φ = 70154268.

The previous prime is 70204481. The next prime is 70204499. The reversal of 70204493 is 39440207.

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, and also an emirpimes, since its reverse is a distinct semiprime: 39440207 = 691 ⋅57077.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70204493 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70204499) 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, 22955 + ... + 25832.

It is an arithmetic number, because the mean of its divisors is an integer number (17563680).

Almost surely, 2^70204493 is an apocalyptic number.

It is an amenable number.

70204493 is a deficient number, since it is larger than the sum of its proper divisors (50227).

70204493 is a wasteful number, since it uses less digits than its factorization.

70204493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50226.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 70204493 is about 8378.8121473154. The cubic root of 70204493 is about 412.5294607670.

The spelling of 70204493 in words is "seventy million, two hundred four thousand, four hundred ninety-three".