70355 has 4 divisors (see below), whose sum is σ = 84432. Its totient is φ = 56280.

The previous prime is 70351. The next prime is 70373. The reversal of 70355 is 55307.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55307 = 7 ⋅7901.

It is not a de Polignac number, because 70355 - 2² = 70351 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 70355.

It is not an unprimeable number, because it can be changed into a prime (70351) 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, 7031 + ... + 7040.

It is an arithmetic number, because the mean of its divisors is an integer number (21108).

2⁷⁰³⁵⁵ is an apocalyptic number.

70355 is a deficient number, since it is larger than the sum of its proper divisors (14077).

70355 is a wasteful number, since it uses less digits than its factorization.

70355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14076.

The product of its (nonzero) digits is 525, while the sum is 20.

The square root of 70355 is about 265.2451696073. The cubic root of 70355 is about 41.2824049012.

The spelling of 70355 in words is "seventy thousand, three hundred fifty-five".