70397357 has 8 divisors (see below), whose sum is σ = 74613816. Its totient is φ = 66189312.

The previous prime is 70397351. The next prime is 70397377. The reversal of 70397357 is 75379307.

It can be written as a sum of positive squares in 4 ways, for example, as 12348196 + 58049161 = 3514^2 + 7619^2 .

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 70397357 - 2⁶ = 70397293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70397351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25853 + ... + 28445.

It is an arithmetic number, because the mean of its divisors is an integer number (9326727).

Almost surely, 2^70397357 is an apocalyptic number.

It is an amenable number.

70397357 is a deficient number, since it is larger than the sum of its proper divisors (4216459).

70397357 is a wasteful number, since it uses less digits than its factorization.

70397357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4207.

The product of its (nonzero) digits is 138915, while the sum is 41.

The square root of 70397357 is about 8390.3132837815. The cubic root of 70397357 is about 412.9068788521.

The spelling of 70397357 in words is "seventy million, three hundred ninety-seven thousand, three hundred fifty-seven".