70536648 has 64 divisors (see below), whose sum is σ = 217042560. Its totient is φ = 18602496.

The previous prime is 70536643. The next prime is 70536649. The reversal of 70536648 is 84663507.

It is a super-2 number, since 2×70536648² = 9950837422151808, which contains 22 as substring.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (70536643) 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 15 ways as a sum of consecutive naturals, for example, 13965 + ... + 18332.

It is an arithmetic number, because the mean of its divisors is an integer number (3391290).

Almost surely, 2^70536648 is an apocalyptic number.

70536648 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

It is an amenable number.

70536648 is an abundant number, since it is smaller than the sum of its proper divisors (146505912).

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

70536648 is a wasteful number, since it uses less digits than its factorization.

70536648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32326 (or 32322 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 39.

The square root of 70536648 is about 8398.6098849750. The cubic root of 70536648 is about 413.1790307380.

The spelling of 70536648 in words is "seventy million, five hundred thirty-six thousand, six hundred forty-eight".