70677648 has 60 divisors (see below), whose sum is σ = 198411408. Its totient is φ = 23486400.

The previous prime is 70677641. The next prime is 70677667. The reversal of 70677648 is 84677607.

It is a Cunningham number, because it is equal to 8407²-1.

It is not an unprimeable number, because it can be changed into a prime (70677641) 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 11 ways as a sum of consecutive naturals, for example, 66723 + ... + 67773.

Almost surely, 2^70677648 is an apocalyptic number.

It is an amenable number.

70677648 is an abundant number, since it is smaller than the sum of its proper divisors (127733760).

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

70677648 is a wasteful number, since it uses less digits than its factorization.

70677648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1532 (or 1523 counting only the distinct ones).

The product of its (nonzero) digits is 395136, while the sum is 45.

The square root of 70677648 is about 8406.9999405258. Note that the first 4 decimals coincide. The cubic root of 70677648 is about 413.4541570701.

The spelling of 70677648 in words is "seventy million, six hundred seventy-seven thousand, six hundred forty-eight".