70767349 has 4 divisors (see below), whose sum is σ = 72102636. Its totient is φ = 69432064.

The previous prime is 70767299. The next prime is 70767409. The reversal of 70767349 is 94376707.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 46580625 + 24186724 = 6825^2 + 4918^2 .

It is a cyclic number.

It is not a de Polignac number, because 70767349 - 2¹⁵ = 70734581 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 (70767449) 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, 667564 + ... + 667669.

It is an arithmetic number, because the mean of its divisors is an integer number (18025659).

Almost surely, 2^70767349 is an apocalyptic number.

It is an amenable number.

70767349 is a deficient number, since it is larger than the sum of its proper divisors (1335287).

70767349 is a wasteful number, since it uses less digits than its factorization.

70767349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1335286.

The product of its (nonzero) digits is 222264, while the sum is 43.

The square root of 70767349 is about 8412.3331484196. Note that the first 3 decimals coincide. The cubic root of 70767349 is about 413.6289958091.

The spelling of 70767349 in words is "seventy million, seven hundred sixty-seven thousand, three hundred forty-nine".