70357 has 12 divisors (see below), whose sum is σ = 88480. Its totient is φ = 54648.

The previous prime is 70351. The next prime is 70373. The reversal of 70357 is 75307.

It is not a de Polignac number, because 70357 - 2⁷ = 70229 is a prime.

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

70357 is a lucky number.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 3048 + ... + 3070.

2⁷⁰³⁵⁷ is an apocalyptic number.

70357 is the 133-rd decagonal number.

It is an amenable number.

70357 is a deficient number, since it is larger than the sum of its proper divisors (18123).

70357 is a wasteful number, since it uses less digits than its factorization.

With its predecessor (70356) it forms a Ruth-Aaron pair, since the sum of their prime factors is the same (72).

70357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72 (or 49 counting only the distinct ones).

The product of its (nonzero) digits is 735, while the sum is 22.

The square root of 70357 is about 265.2489396774. The cubic root of 70357 is about 41.2827960794.

Subtracting 70357 from its reverse (75307), we obtain a triangular number (4950 = T₉₉).

The spelling of 70357 in words is "seventy thousand, three hundred fifty-seven".