70408436 has 12 divisors (see below), whose sum is σ = 140816928. Its totient is φ = 30175032.

The previous prime is 70408423. The next prime is 70408463. The reversal of 70408436 is 63480407.

It is a happy number.

70408436 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1257266 + ... + 1257321.

It is an arithmetic number, because the mean of its divisors is an integer number (11734744).

Almost surely, 2^70408436 is an apocalyptic number.

It is an amenable number.

70408436 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70408436 is a wasteful number, since it uses less digits than its factorization.

70408436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2514598 (or 2514596 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 70408436 is about 8390.9734834523. The cubic root of 70408436 is about 412.9285385447.

The spelling of 70408436 in words is "seventy million, four hundred eight thousand, four hundred thirty-six".