70604145 has 72 divisors (see below), whose sum is σ = 133618680. Its totient is φ = 34467840.

The previous prime is 70604129. The next prime is 70604159. The reversal of 70604145 is 54140607.

It can be written as a sum of positive squares in 12 ways, for example, as 24920064 + 45684081 = 4992^2 + 6759^2 .

It is not a de Polignac number, because 70604145 - 2⁴ = 70604129 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 793261 + ... + 793349.

It is an arithmetic number, because the mean of its divisors is an integer number (1855815).

Almost surely, 2^70604145 is an apocalyptic number.

It is an amenable number.

70604145 is a deficient number, since it is larger than the sum of its proper divisors (63014535).

70604145 is a wasteful number, since it uses less digits than its factorization.

70604145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195 (or 175 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 70604145 is about 8402.6272677062. The cubic root of 70604145 is about 413.3107800013.

The spelling of 70604145 in words is "seventy million, six hundred four thousand, one hundred forty-five".