70027930 has 64 divisors (see below), whose sum is σ = 154586880. Its totient is φ = 22293504.

The previous prime is 70027883. The next prime is 70027933. The reversal of 70027930 is 3972007.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (70027933) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 98416 + ... + 99124.

It is an arithmetic number, because the mean of its divisors is an integer number (2415420).

Almost surely, 2^70027930 is an apocalyptic number.

70027930 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

70027930 is an abundant number, since it is smaller than the sum of its proper divisors (84558950).

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

70027930 is a wasteful number, since it uses less digits than its factorization.

70027930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 823.

The product of its (nonzero) digits is 2646, while the sum is 28.

The square root of 70027930 is about 8368.2692356305. The cubic root of 70027930 is about 412.1833357868.

Adding to 70027930 its reverse (3972007), we get a palindrome (73999937).

The spelling of 70027930 in words is "seventy million, twenty-seven thousand, nine hundred thirty".