70919349 has 4 divisors (see below), whose sum is σ = 94559136. Its totient is φ = 47279564.

The previous prime is 70919347. The next prime is 70919363. The reversal of 70919349 is 94391907.

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 70919349 - 2¹ = 70919347 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 70919349.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70919347) 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, 11819889 + ... + 11819894.

It is an arithmetic number, because the mean of its divisors is an integer number (23639784).

Almost surely, 2^70919349 is an apocalyptic number.

It is an amenable number.

70919349 is a deficient number, since it is larger than the sum of its proper divisors (23639787).

70919349 is a wasteful number, since it uses less digits than its factorization.

70919349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23639786.

The product of its (nonzero) digits is 61236, while the sum is 42.

The square root of 70919349 is about 8421.3626569576. The cubic root of 70919349 is about 413.9249262924.

The spelling of 70919349 in words is "seventy million, nine hundred nineteen thousand, three hundred forty-nine".