70256099 has 4 divisors (see below), whose sum is σ = 73310736. Its totient is φ = 67201464.

The previous prime is 70256077. The next prime is 70256161. The reversal of 70256099 is 99065207.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99065207 = 127 ⋅780041.

It is a cyclic number.

It is not a de Polignac number, because 70256099 - 2¹² = 70252003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70256899) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1527284 + ... + 1527329.

It is an arithmetic number, because the mean of its divisors is an integer number (18327684).

Almost surely, 2^70256099 is an apocalyptic number.

70256099 is a deficient number, since it is larger than the sum of its proper divisors (3054637).

70256099 is a wasteful number, since it uses less digits than its factorization.

70256099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3054636.

The product of its (nonzero) digits is 34020, while the sum is 38.

The square root of 70256099 is about 8381.8911350602. The cubic root of 70256099 is about 412.6305168874.

The spelling of 70256099 in words is "seventy million, two hundred fifty-six thousand, ninety-nine".