70157219 has 8 divisors (see below), whose sum is σ = 76666608. Its totient is φ = 63669760.

The previous prime is 70157203. The next prime is 70157221. The reversal of 70157219 is 91275107.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 70157219 - 2⁴ = 70157203 is a prime.

It is a super-2 number, since 2×70157219² = 9844070755627922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70157239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1619 + ... + 11955.

It is an arithmetic number, because the mean of its divisors is an integer number (9583326).

Almost surely, 2^70157219 is an apocalyptic number.

70157219 is a deficient number, since it is larger than the sum of its proper divisors (6509389).

70157219 is a wasteful number, since it uses less digits than its factorization.

70157219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10965.

The product of its (nonzero) digits is 4410, while the sum is 32.

The square root of 70157219 is about 8375.9906279795. The cubic root of 70157219 is about 412.4368442031.

The spelling of 70157219 in words is "seventy million, one hundred fifty-seven thousand, two hundred nineteen".