70900215 has 16 divisors (see below), whose sum is σ = 117352800. Its totient is φ = 36509312.

The previous prime is 70900211. The next prime is 70900223. The reversal of 70900215 is 51200907.

It is a cyclic number.

It is not a de Polignac number, because 70900215 - 2² = 70900211 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70900211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81060 + ... + 81929.

It is an arithmetic number, because the mean of its divisors is an integer number (7334550).

Almost surely, 2^70900215 is an apocalyptic number.

70900215 is a deficient number, since it is larger than the sum of its proper divisors (46452585).

70900215 is a wasteful number, since it uses less digits than its factorization.

70900215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163026.

The product of its (nonzero) digits is 630, while the sum is 24.

The square root of 70900215 is about 8420.2265408954. The cubic root of 70900215 is about 413.8876973742.

The spelling of 70900215 in words is "seventy million, nine hundred thousand, two hundred fifteen".