70450493 has 4 divisors (see below), whose sum is σ = 70523580. Its totient is φ = 70377408.

The previous prime is 70450489. The next prime is 70450511. The reversal of 70450493 is 39405407.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 39405407 = 37 ⋅1065011.

It can be written as a sum of positive squares in 2 ways, for example, as 55995289 + 14455204 = 7483^2 + 3802^2 .

It is a cyclic number.

It is not a de Polignac number, because 70450493 - 2² = 70450489 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70450463) 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, 35078 + ... + 37031.

It is an arithmetic number, because the mean of its divisors is an integer number (17630895).

Almost surely, 2^70450493 is an apocalyptic number.

It is an amenable number.

70450493 is a deficient number, since it is larger than the sum of its proper divisors (73087).

70450493 is an equidigital number, since it uses as much as digits as its factorization.

70450493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73086.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 70450493 is about 8393.4791951848. The cubic root of 70450493 is about 413.0107402421.

The spelling of 70450493 in words is "seventy million, four hundred fifty thousand, four hundred ninety-three".