70077434 has 32 divisors (see below), whose sum is σ = 133902720. Its totient is φ = 26777088.

The previous prime is 70077407. The next prime is 70077461. The reversal of 70077434 is 43477007.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (70077407) and next prime (70077461).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 70077434.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3227 + ... + 12270.

It is an arithmetic number, because the mean of its divisors is an integer number (4184460).

Almost surely, 2^70077434 is an apocalyptic number.

70077434 is a deficient number, since it is larger than the sum of its proper divisors (63825286).

70077434 is a wasteful number, since it uses less digits than its factorization.

70077434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15542.

The product of its (nonzero) digits is 16464, while the sum is 32.

The square root of 70077434 is about 8371.2265529013. The cubic root of 70077434 is about 412.2804395071.

It can be divided in two parts, 7007 and 7434, that added together give a palindrome (14441).

The spelling of 70077434 in words is "seventy million, seventy-seven thousand, four hundred thirty-four".