70530912 has 60 divisors (see below), whose sum is σ = 207437076. Its totient is φ = 23509440.

The previous prime is 70530893. The next prime is 70530913. The reversal of 70530912 is 21903507.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70530913) 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 9 ways as a sum of consecutive naturals, for example, 11014 + ... + 16197.

Almost surely, 2^70530912 is an apocalyptic number.

70530912 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

70530912 is an abundant number, since it is smaller than the sum of its proper divisors (136906164).

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

70530912 is a wasteful number, since it uses less digits than its factorization.

70530912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27233 (or 27216 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 27.

The square root of 70530912 is about 8398.2683929486. The cubic root of 70530912 is about 413.1678306066.

The spelling of 70530912 in words is "seventy million, five hundred thirty thousand, nine hundred twelve".