70397229 has 8 divisors (see below), whose sum is σ = 107272000. Its totient is φ = 40226976.

The previous prime is 70397219. The next prime is 70397251. The reversal of 70397229 is 92279307.

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

It is not a de Polignac number, because 70397229 - 2⁸ = 70396973 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 (70397209) 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, 1676104 + ... + 1676145.

It is an arithmetic number, because the mean of its divisors is an integer number (13409000).

Almost surely, 2^70397229 is an apocalyptic number.

It is an amenable number.

70397229 is a deficient number, since it is larger than the sum of its proper divisors (36874771).

70397229 is a wasteful number, since it uses less digits than its factorization.

70397229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3352259.

The product of its (nonzero) digits is 47628, while the sum is 39.

The square root of 70397229 is about 8390.3056559341. The cubic root of 70397229 is about 412.9066285959.

The spelling of 70397229 in words is "seventy million, three hundred ninety-seven thousand, two hundred twenty-nine".