70542160 has 40 divisors (see below), whose sum is σ = 176629320. Its totient is φ = 26045952.

The previous prime is 70542151. The next prime is 70542161. The reversal of 70542160 is 6124507.

It can be written as a sum of positive squares in 4 ways, for example, as 3825936 + 66716224 = 1956^2 + 8168^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70542161) 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, 32875 + ... + 34954.

It is an arithmetic number, because the mean of its divisors is an integer number (4415733).

Almost surely, 2^70542160 is an apocalyptic number.

It is an amenable number.

70542160 is an abundant number, since it is smaller than the sum of its proper divisors (106087160).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70542160 is a wasteful number, since it uses less digits than its factorization.

70542160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67855 (or 67849 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 70542160 is about 8398.9380281081. The cubic root of 70542160 is about 413.1897929141.

Adding to 70542160 its reverse (6124507), we get a palindrome (76666667).

The spelling of 70542160 in words is "seventy million, five hundred forty-two thousand, one hundred sixty".