70053187 has 4 divisors (see below), whose sum is σ = 70161120. Its totient is φ = 69945256.

The previous prime is 70053163. The next prime is 70053233. The reversal of 70053187 is 78135007.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78135007 = 541 ⋅144427.

It is a cyclic number.

It is not a de Polignac number, because 70053187 - 2²³ = 61664579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70053127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52987 + ... + 54292.

It is an arithmetic number, because the mean of its divisors is an integer number (17540280).

Almost surely, 2^70053187 is an apocalyptic number.

70053187 is a deficient number, since it is larger than the sum of its proper divisors (107933).

70053187 is a wasteful number, since it uses less digits than its factorization.

70053187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107932.

The product of its (nonzero) digits is 5880, while the sum is 31.

The square root of 70053187 is about 8369.7781929989. The cubic root of 70053187 is about 412.2328839370.

The spelling of 70053187 in words is "seventy million, fifty-three thousand, one hundred eighty-seven".