70409804 has 24 divisors (see below), whose sum is σ = 127790208. Its totient is φ = 33909120.

The previous prime is 70409783. The next prime is 70409809. The reversal of 70409804 is 40890407.

It is a happy number.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (70409809) 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, 27674 + ... + 30110.

It is an arithmetic number, because the mean of its divisors is an integer number (5324592).

Almost surely, 2^70409804 is an apocalyptic number.

It is an amenable number.

70409804 is a deficient number, since it is larger than the sum of its proper divisors (57380404).

70409804 is a wasteful number, since it uses less digits than its factorization.

70409804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2705 (or 2703 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 70409804 is about 8391.0549992239. The cubic root of 70409804 is about 412.9312128577.

The spelling of 70409804 in words is "seventy million, four hundred nine thousand, eight hundred four".