70804071 has 48 divisors (see below), whose sum is σ = 115948800. Its totient is φ = 42670368.

The previous prime is 70804067. The next prime is 70804091. The reversal of 70804071 is 17040807.

It is not a de Polignac number, because 70804071 - 2² = 70804067 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70804021) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 269086 + ... + 269348.

It is an arithmetic number, because the mean of its divisors is an integer number (2415600).

Almost surely, 2^70804071 is an apocalyptic number.

70804071 is a deficient number, since it is larger than the sum of its proper divisors (45144729).

70804071 is a wasteful number, since it uses less digits than its factorization.

70804071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357 (or 338 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 27.

The square root of 70804071 is about 8414.5154940733. The cubic root of 70804071 is about 413.7005290687.

Adding to 70804071 its reverse (17040807), we get a palindrome (87844878).

The spelling of 70804071 in words is "seventy million, eight hundred four thousand, seventy-one".