70077080 has 64 divisors (see below), whose sum is σ = 162077760. Its totient is φ = 27260928.

The previous prime is 70077061. The next prime is 70077089. The reversal of 70077080 is 8077007.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70077089) 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, 300644 + ... + 300876.

It is an arithmetic number, because the mean of its divisors is an integer number (2532465).

Almost surely, 2^70077080 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70077080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81038880).

70077080 is an abundant number, since it is smaller than the sum of its proper divisors (92000680).

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

70077080 is a wasteful number, since it uses less digits than its factorization.

70077080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420 (or 416 counting only the distinct ones).

The product of its (nonzero) digits is 2744, while the sum is 29.

The square root of 70077080 is about 8371.2054090197. The cubic root of 70077080 is about 412.2797452869.

The spelling of 70077080 in words is "seventy million, seventy-seven thousand, eighty".