70540916 has 6 divisors (see below), whose sum is σ = 123446610. Its totient is φ = 35270456.

The previous prime is 70540909. The next prime is 70540919. The reversal of 70540916 is 61904507.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 63936016 + 6604900 = 7996^2 + 2570^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70540919) 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 as a sum of consecutive naturals, namely, 8817611 + ... + 8817618.

It is an arithmetic number, because the mean of its divisors is an integer number (20574435).

Almost surely, 2^70540916 is an apocalyptic number.

It is an amenable number.

70540916 is a deficient number, since it is larger than the sum of its proper divisors (52905694).

70540916 is a wasteful number, since it uses less digits than its factorization.

70540916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17635233 (or 17635231 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 70540916 is about 8398.8639707999. The cubic root of 70540916 is about 413.1873640540.

The spelling of 70540916 in words is "seventy million, five hundred forty thousand, nine hundred sixteen".