70840401 has 8 divisors (see below), whose sum is σ = 94698240. Its totient is φ = 47104752.

The previous prime is 70840387. The next prime is 70840403. The reversal of 70840401 is 10404807.

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

It is not a de Polignac number, because 70840401 - 2⁹ = 70839889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70840403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29185 + ... + 31518.

It is an arithmetic number, because the mean of its divisors is an integer number (11837280).

Almost surely, 2^70840401 is an apocalyptic number.

It is an amenable number.

70840401 is a deficient number, since it is larger than the sum of its proper divisors (23857839).

70840401 is a wasteful number, since it uses less digits than its factorization.

70840401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61095.

The product of its (nonzero) digits is 896, while the sum is 24.

The square root of 70840401 is about 8416.6739867955. The cubic root of 70840401 is about 413.7712743904.

The spelling of 70840401 in words is "seventy million, eight hundred forty thousand, four hundred one".