70415140 has 24 divisors (see below), whose sum is σ = 155655360. Its totient is φ = 26683488.

The previous prime is 70415129. The next prime is 70415141. The reversal of 70415140 is 4151407.

It is not an unprimeable number, because it can be changed into a prime (70415141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92272 + ... + 93031.

It is an arithmetic number, because the mean of its divisors is an integer number (6485640).

Almost surely, 2^70415140 is an apocalyptic number.

It is an amenable number.

70415140 is an abundant number, since it is smaller than the sum of its proper divisors (85240220).

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

70415140 is a wasteful number, since it uses less digits than its factorization.

70415140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185331 (or 185329 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 70415140 is about 8391.3729508347. The cubic root of 70415140 is about 412.9416439112.

Adding to 70415140 its reverse (4151407), we get a palindrome (74566547).

The spelling of 70415140 in words is "seventy million, four hundred fifteen thousand, one hundred forty".