70310397 has 8 divisors (see below), whose sum is σ = 96281056. Its totient is φ = 45606672.

The previous prime is 70310381. The next prime is 70310399. The reversal of 70310397 is 79301307.

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

It is not a de Polignac number, because 70310397 - 2⁴ = 70310381 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 (70310399) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 316603 + ... + 316824.

It is an arithmetic number, because the mean of its divisors is an integer number (12035132).

Almost surely, 2^70310397 is an apocalyptic number.

It is an amenable number.

70310397 is a deficient number, since it is larger than the sum of its proper divisors (25970659).

70310397 is a wasteful number, since it uses less digits than its factorization.

70310397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633467.

The product of its (nonzero) digits is 3969, while the sum is 30.

The square root of 70310397 is about 8385.1295159944. The cubic root of 70310397 is about 412.7367911357.

It can be divided in two parts, 70310 and 397, that added together give a palindrome (70707).

The spelling of 70310397 in words is "seventy million, three hundred ten thousand, three hundred ninety-seven".