70497 has 16 divisors (see below), whose sum is σ = 119680. Its totient is φ = 40176.

The previous prime is 70489. The next prime is 70501. The reversal of 70497 is 79407.

It is not a de Polignac number, because 70497 - 2³ = 70489 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 70497.

It is not an unprimeable number, because it can be changed into a prime (70457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3 + ... + 375.

It is an arithmetic number, because the mean of its divisors is an integer number (7480).

2⁷⁰⁴⁹⁷ is an apocalyptic number.

It is an amenable number.

70497 is a deficient number, since it is larger than the sum of its proper divisors (49183).

70497 is a wasteful number, since it uses less digits than its factorization.

70497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389 (or 383 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 27.

The square root of 70497 is about 265.5127115601. The cubic root of 70497 is about 41.3101601520.

It can be divided in two parts, 7049 and 7, that added together give a square (7056 = 84²).

The spelling of 70497 in words is "seventy thousand, four hundred ninety-seven".