70408934 has 32 divisors (see below), whose sum is σ = 117573120. Its totient is φ = 31453312.

The previous prime is 70408913. The next prime is 70408937. The reversal of 70408934 is 43980407.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 70408894 and 70408903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70408937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139727 + ... + 140229.

It is an arithmetic number, because the mean of its divisors is an integer number (3674160).

Almost surely, 2^70408934 is an apocalyptic number.

70408934 is a deficient number, since it is larger than the sum of its proper divisors (47164186).

70408934 is a wasteful number, since it uses less digits than its factorization.

70408934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 724.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 70408934 is about 8391.0031581450. The cubic root of 70408934 is about 412.9295120925.

The spelling of 70408934 in words is "seventy million, four hundred eight thousand, nine hundred thirty-four".