70774449 has 24 divisors (see below), whose sum is σ = 101144160. Its totient is φ = 43898112.

The previous prime is 70774447. The next prime is 70774469. The reversal of 70774449 is 94447707.

It is not a de Polignac number, because 70774449 - 2¹ = 70774447 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 70774449.

It is not an unprimeable number, because it can be changed into a prime (70774447) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 303637 + ... + 303869.

It is an arithmetic number, because the mean of its divisors is an integer number (4214340).

Almost surely, 2^70774449 is an apocalyptic number.

It is an amenable number.

70774449 is a deficient number, since it is larger than the sum of its proper divisors (30369711).

70774449 is a wasteful number, since it uses less digits than its factorization.

70774449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401 (or 328 counting only the distinct ones).

The product of its (nonzero) digits is 197568, while the sum is 42.

The square root of 70774449 is about 8412.7551372900. The cubic root of 70774449 is about 413.6428283072.

The spelling of 70774449 in words is "seventy million, seven hundred seventy-four thousand, four hundred forty-nine".