70450605 has 12 divisors (see below), whose sum is σ = 122114460. Its totient is φ = 37573632.

The previous prime is 70450573. The next prime is 70450607. The reversal of 70450605 is 50605407.

70450605 is a `hidden beast` number, since 7 + 0 + 4 + 50 + 605 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 19342404 + 51108201 = 4398^2 + 7149^2 .

It is not a de Polignac number, because 70450605 - 2⁵ = 70450573 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70450607) 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, 782740 + ... + 782829.

It is an arithmetic number, because the mean of its divisors is an integer number (10176205).

Almost surely, 2^70450605 is an apocalyptic number.

It is an amenable number.

70450605 is a deficient number, since it is larger than the sum of its proper divisors (51663855).

70450605 is a wasteful number, since it uses less digits than its factorization.

70450605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1565580 (or 1565577 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 70450605 is about 8393.4858670281. The cubic root of 70450605 is about 413.0109591059.

The spelling of 70450605 in words is "seventy million, four hundred fifty thousand, six hundred five".