70613449 has 4 divisors (see below), whose sum is σ = 70630864. Its totient is φ = 70596036.

The previous prime is 70613447. The next prime is 70613453. The reversal of 70613449 is 94431607.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 70613449 - 2¹ = 70613447 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70613447) 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, 934 + ... + 11920.

It is an arithmetic number, because the mean of its divisors is an integer number (17657716).

Almost surely, 2^70613449 is an apocalyptic number.

It is an amenable number.

70613449 is a deficient number, since it is larger than the sum of its proper divisors (17415).

70613449 is a wasteful number, since it uses less digits than its factorization.

70613449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17414.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 70613449 is about 8403.1808858313. The cubic root of 70613449 is about 413.3289341508.

The spelling of 70613449 in words is "seventy million, six hundred thirteen thousand, four hundred forty-nine".