70919611 has 12 divisors (see below), whose sum is σ = 82662768. Its totient is φ = 60667152.

The previous prime is 70919539. The next prime is 70919633. The reversal of 70919611 is 11691907.

It is not a de Polignac number, because 70919611 - 2⁷ = 70919483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70919111) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30585 + ... + 32821.

It is an arithmetic number, because the mean of its divisors is an integer number (6888564).

Almost surely, 2^70919611 is an apocalyptic number.

70919611 is a deficient number, since it is larger than the sum of its proper divisors (11743157).

70919611 is a wasteful number, since it uses less digits than its factorization.

70919611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2898 (or 2891 counting only the distinct ones).

The product of its (nonzero) digits is 3402, while the sum is 34.

The square root of 70919611 is about 8421.3782126205. The cubic root of 70919611 is about 413.9254360179.

It can be divided in two parts, 70 and 919611, that added together give a square (919681 = 959²).

The spelling of 70919611 in words is "seventy million, nine hundred nineteen thousand, six hundred eleven".