70829055 has 96 divisors (see below), whose sum is σ = 149610240. Its totient is φ = 30551040.

The previous prime is 70829051. The next prime is 70829069. The reversal of 70829055 is 55092807.

It is a Cunningham number, because it is equal to 8416²-1.

It is not a de Polignac number, because 70829055 - 2² = 70829051 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70829051) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 159664 + ... + 160106.

It is an arithmetic number, because the mean of its divisors is an integer number (1558440).

Almost surely, 2^70829055 is an apocalyptic number.

70829055 is an abundant number, since it is smaller than the sum of its proper divisors (78781185).

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

70829055 is a wasteful number, since it uses less digits than its factorization.

70829055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501 (or 498 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 36.

The square root of 70829055 is about 8415.9999405894. Note that the first 4 decimals coincide. The cubic root of 70829055 is about 413.7491829497.

The spelling of 70829055 in words is "seventy million, eight hundred twenty-nine thousand, fifty-five".