70540785 has 24 divisors (see below), whose sum is σ = 139738560. Its totient is φ = 32247072.

The previous prime is 70540763. The next prime is 70540801. The reversal of 70540785 is 58704507.

It is not a de Polignac number, because 70540785 - 2⁸ = 70540529 is a prime.

It is a super-3 number, since 3×70540785³ (a number of 25 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 111655 + ... + 112284.

It is an arithmetic number, because the mean of its divisors is an integer number (5822440).

Almost surely, 2^70540785 is an apocalyptic number.

It is an amenable number.

70540785 is a deficient number, since it is larger than the sum of its proper divisors (69197775).

70540785 is a wasteful number, since it uses less digits than its factorization.

70540785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223957 (or 223954 counting only the distinct ones).

The product of its (nonzero) digits is 39200, while the sum is 36.

The square root of 70540785 is about 8398.8561721225. The cubic root of 70540785 is about 413.1871082801.

The spelling of 70540785 in words is "seventy million, five hundred forty thousand, seven hundred eighty-five".