9970545 has 16 divisors (see below), whose sum is σ = 17180352. Its totient is φ = 4908480.

The previous prime is 9970537. The next prime is 9970549. The reversal of 9970545 is 5450799.

It is not a de Polignac number, because 9970545 - 2³ = 9970537 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (9970549) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25371 + ... + 25760.

It is an arithmetic number, because the mean of its divisors is an integer number (1073772).

Almost surely, 2^9970545 is an apocalyptic number.

It is an amenable number.

9970545 is a deficient number, since it is larger than the sum of its proper divisors (7209807).

9970545 is a wasteful number, since it uses less digits than its factorization.

9970545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51152.

The product of its (nonzero) digits is 56700, while the sum is 39.

The square root of 9970545 is about 3157.6169812059. The cubic root of 9970545 is about 215.2317313966.

The spelling of 9970545 in words is "nine million, nine hundred seventy thousand, five hundred forty-five".