70077768 has 16 divisors (see below), whose sum is σ = 175194480. Its totient is φ = 23359248.

The previous prime is 70077767. The next prime is 70077769. The reversal of 70077768 is 86777007.

It is an interprime number because it is at equal distance from previous prime (70077767) and next prime (70077769).

It is a super-3 number, since 3×70077768³ (a number of 25 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (70077767) 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 3 ways as a sum of consecutive naturals, for example, 1459930 + ... + 1459977.

It is an arithmetic number, because the mean of its divisors is an integer number (10949655).

Almost surely, 2^70077768 is an apocalyptic number.

It is an amenable number.

70077768 is an abundant number, since it is smaller than the sum of its proper divisors (105116712).

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

70077768 is a wasteful number, since it uses less digits than its factorization.

70077768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2919916 (or 2919912 counting only the distinct ones).

The product of its (nonzero) digits is 115248, while the sum is 42.

The square root of 70077768 is about 8371.2465021644. The cubic root of 70077768 is about 412.2810945038.

The spelling of 70077768 in words is "seventy million, seventy-seven thousand, seven hundred sixty-eight".