70842404 has 6 divisors (see below), whose sum is σ = 123974214. Its totient is φ = 35421200.

The previous prime is 70842391. The next prime is 70842407. The reversal of 70842404 is 40424807.

It can be written as a sum of positive squares in only one way, i.e., 67240000 + 3602404 = 8200^2 + 1898^2 .

It is not an unprimeable number, because it can be changed into a prime (70842407) 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 as a sum of consecutive naturals, namely, 8855297 + ... + 8855304.

It is an arithmetic number, because the mean of its divisors is an integer number (20662369).

Almost surely, 2^70842404 is an apocalyptic number.

It is an amenable number.

70842404 is a deficient number, since it is larger than the sum of its proper divisors (53131810).

70842404 is a wasteful number, since it uses less digits than its factorization.

70842404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17710605 (or 17710603 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 29.

The square root of 70842404 is about 8416.7929759499. The cubic root of 70842404 is about 413.7751741239.

The spelling of 70842404 in words is "seventy million, eight hundred forty-two thousand, four hundred four".