70428113 has 4 divisors (see below), whose sum is σ = 80489280. Its totient is φ = 60366948.

The previous prime is 70428107. The next prime is 70428121. The reversal of 70428113 is 31182407.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 70428113 - 2⁴ = 70428097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70428143) 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, 5030573 + ... + 5030586.

It is an arithmetic number, because the mean of its divisors is an integer number (20122320).

Almost surely, 2^70428113 is an apocalyptic number.

It is an amenable number.

70428113 is a deficient number, since it is larger than the sum of its proper divisors (10061167).

70428113 is a wasteful number, since it uses less digits than its factorization.

70428113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10061166.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 70428113 is about 8392.1459115056. The cubic root of 70428113 is about 412.9670019189.

The spelling of 70428113 in words is "seventy million, four hundred twenty-eight thousand, one hundred thirteen".