70347397 has 8 divisors (see below), whose sum is σ = 73122336. Its totient is φ = 67618512.

The previous prime is 70347371. The next prime is 70347419. The reversal of 70347397 is 79374307.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 70347397 - 2¹¹ = 70345349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70347307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8383 + ... + 14524.

It is an arithmetic number, because the mean of its divisors is an integer number (9140292).

Almost surely, 2^70347397 is an apocalyptic number.

It is an amenable number.

70347397 is a deficient number, since it is larger than the sum of its proper divisors (2774939).

70347397 is a wasteful number, since it uses less digits than its factorization.

70347397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23027.

The product of its (nonzero) digits is 111132, while the sum is 40.

The square root of 70347397 is about 8387.3355125451. The cubic root of 70347397 is about 412.8091776955.

The spelling of 70347397 in words is "seventy million, three hundred forty-seven thousand, three hundred ninety-seven".