70551340 has 24 divisors (see below), whose sum is σ = 149521680. Its totient is φ = 27960768.

The previous prime is 70551337. The next prime is 70551359. The reversal of 70551340 is 4315507.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 14002 + ... + 18361.

It is an arithmetic number, because the mean of its divisors is an integer number (6230070).

Almost surely, 2^70551340 is an apocalyptic number.

It is an amenable number.

70551340 is an abundant number, since it is smaller than the sum of its proper divisors (78970340).

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

70551340 is a wasteful number, since it uses less digits than its factorization.

70551340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32481 (or 32479 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 70551340 is about 8399.4845079921. The cubic root of 70551340 is about 413.2077156135.

Adding to 70551340 its reverse (4315507), we get a palindrome (74866847).

The spelling of 70551340 in words is "seventy million, five hundred fifty-one thousand, three hundred forty".