70249311 has 12 divisors (see below), whose sum is σ = 110696040. Its totient is φ = 42575280.

The previous prime is 70249303. The next prime is 70249343. The reversal of 70249311 is 11394207.

It is not a de Polignac number, because 70249311 - 2³ = 70249303 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70249351) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 354696 + ... + 354893.

It is an arithmetic number, because the mean of its divisors is an integer number (9224670).

Almost surely, 2^70249311 is an apocalyptic number.

70249311 is a deficient number, since it is larger than the sum of its proper divisors (40446729).

70249311 is a wasteful number, since it uses less digits than its factorization.

70249311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 709606 (or 709603 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 70249311 is about 8381.4862047253. The cubic root of 70249311 is about 412.6172272884.

The spelling of 70249311 in words is "seventy million, two hundred forty-nine thousand, three hundred eleven".