70268147 has 4 divisors (see below), whose sum is σ = 70464240. Its totient is φ = 70072056.

The previous prime is 70268119. The next prime is 70268161. The reversal of 70268147 is 74186207.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74186207 = 2251 ⋅32957.

It is a cyclic number.

It is not a de Polignac number, because 70268147 - 2⁶ = 70268083 is a prime.

It is a super-2 number, since 2×70268147² = 9875224965627218, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70268117) 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, 97508 + ... + 98225.

It is an arithmetic number, because the mean of its divisors is an integer number (17616060).

Almost surely, 2^70268147 is an apocalyptic number.

70268147 is a deficient number, since it is larger than the sum of its proper divisors (196093).

70268147 is a wasteful number, since it uses less digits than its factorization.

70268147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196092.

The product of its (nonzero) digits is 18816, while the sum is 35.

The square root of 70268147 is about 8382.6097964775. The cubic root of 70268147 is about 412.6541024475.

The spelling of 70268147 in words is "seventy million, two hundred sixty-eight thousand, one hundred forty-seven".