70994397 has 32 divisors (see below), whose sum is σ = 102961152. Its totient is φ = 43352064.

The previous prime is 70994387. The next prime is 70994437. The reversal of 70994397 is 79349907.

It is not a de Polignac number, because 70994397 - 2⁴ = 70994381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70994387) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 558948 + ... + 559074.

It is an arithmetic number, because the mean of its divisors is an integer number (3217536).

Almost surely, 2^70994397 is an apocalyptic number.

It is an amenable number.

70994397 is a deficient number, since it is larger than the sum of its proper divisors (31966755).

70994397 is a wasteful number, since it uses less digits than its factorization.

70994397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357.

The product of its (nonzero) digits is 428652, while the sum is 48.

The square root of 70994397 is about 8425.8172897352. The cubic root of 70994397 is about 414.0708821666.

The spelling of 70994397 in words is "seventy million, nine hundred ninety-four thousand, three hundred ninety-seven".