70553390 has 8 divisors (see below), whose sum is σ = 126996120. Its totient is φ = 28221352.

The previous prime is 70553389. The next prime is 70553401. The reversal of 70553390 is 9335507.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3527660 + ... + 3527679.

It is an arithmetic number, because the mean of its divisors is an integer number (15874515).

Almost surely, 2^70553390 is an apocalyptic number.

70553390 is a deficient number, since it is larger than the sum of its proper divisors (56442730).

70553390 is a wasteful number, since it uses less digits than its factorization.

70553390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7055346.

The product of its (nonzero) digits is 14175, while the sum is 32.

The square root of 70553390 is about 8399.6065384040. The cubic root of 70553390 is about 413.2117177468.

Adding to 70553390 its reverse (9335507), we get a palindrome (79888897).

The spelling of 70553390 in words is "seventy million, five hundred fifty-three thousand, three hundred ninety".