70400697 has 8 divisors (see below), whose sum is σ = 93910656. Its totient is φ = 46912272.

The previous prime is 70400669. The next prime is 70400699. The reversal of 70400697 is 79600407.

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

It is not a de Polignac number, because 70400697 - 2⁷ = 70400569 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70400699) 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, 5248 + ... + 12974.

It is an arithmetic number, because the mean of its divisors is an integer number (11738832).

Almost surely, 2^70400697 is an apocalyptic number.

It is an amenable number.

70400697 is a deficient number, since it is larger than the sum of its proper divisors (23509959).

70400697 is a wasteful number, since it uses less digits than its factorization.

70400697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10767.

The product of its (nonzero) digits is 10584, while the sum is 33.

The square root of 70400697 is about 8390.5123204725. The cubic root of 70400697 is about 412.9134088660.

The spelling of 70400697 in words is "seventy million, four hundred thousand, six hundred ninety-seven".