70120655 has 8 divisors (see below), whose sum is σ = 91794384. Its totient is φ = 50996800.

The previous prime is 70120639. The next prime is 70120657. The reversal of 70120655 is 55602107.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 70120655 - 2⁴ = 70120639 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70120657) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 637406 + ... + 637515.

It is an arithmetic number, because the mean of its divisors is an integer number (11474298).

Almost surely, 2^70120655 is an apocalyptic number.

70120655 is a deficient number, since it is larger than the sum of its proper divisors (21673729).

70120655 is a wasteful number, since it uses less digits than its factorization.

70120655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1274937.

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 70120655 is about 8373.8076763203. The cubic root of 70120655 is about 412.3651815309.

The spelling of 70120655 in words is "seventy million, one hundred twenty thousand, six hundred fifty-five".