70149465 has 12 divisors (see below), whose sum is σ = 121592484. Its totient is φ = 37413024.

The previous prime is 70149461. The next prime is 70149473. The reversal of 70149465 is 56494107.

It can be written as a sum of positive squares in 2 ways, for example, as 18352656 + 51796809 = 4284^2 + 7197^2 .

It is not a de Polignac number, because 70149465 - 2² = 70149461 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70149461) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 779394 + ... + 779483.

It is an arithmetic number, because the mean of its divisors is an integer number (10132707).

Almost surely, 2^70149465 is an apocalyptic number.

It is an amenable number.

70149465 is a deficient number, since it is larger than the sum of its proper divisors (51443019).

70149465 is a wasteful number, since it uses less digits than its factorization.

70149465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1558888 (or 1558885 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 70149465 is about 8375.5277445663. The cubic root of 70149465 is about 412.4216490307.

The spelling of 70149465 in words is "seventy million, one hundred forty-nine thousand, four hundred sixty-five".