70704397 has 8 divisors (see below), whose sum is σ = 73106432. Its totient is φ = 68310000.

The previous prime is 70704383. The next prime is 70704401. The reversal of 70704397 is 79340707.

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 70704397 - 2⁷ = 70704269 is a prime.

It is a super-2 number, since 2×70704397² = 9998223510267218, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70704097) 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, 21763 + ... + 24799.

It is an arithmetic number, because the mean of its divisors is an integer number (9138304).

Almost surely, 2^70704397 is an apocalyptic number.

It is an amenable number.

70704397 is a deficient number, since it is larger than the sum of its proper divisors (2402035).

70704397 is a wasteful number, since it uses less digits than its factorization.

70704397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3819.

The product of its (nonzero) digits is 37044, while the sum is 37.

The square root of 70704397 is about 8408.5906666932. The cubic root of 70704397 is about 413.5063097692.

The spelling of 70704397 in words is "seventy million, seven hundred four thousand, three hundred ninety-seven".