70642485 has 12 divisors (see below), whose sum is σ = 122447052. Its totient is φ = 37675968.

The previous prime is 70642433. The next prime is 70642487. The reversal of 70642485 is 58424607.

70642485 is a `hidden beast` number, since 7 + 0 + 642 + 4 + 8 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 32524209 + 38118276 = 5703^2 + 6174^2 .

It is not a de Polignac number, because 70642485 - 2⁷ = 70642357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70642487) 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, 784872 + ... + 784961.

It is an arithmetic number, because the mean of its divisors is an integer number (10203921).

Almost surely, 2^70642485 is an apocalyptic number.

It is an amenable number.

70642485 is a deficient number, since it is larger than the sum of its proper divisors (51804567).

70642485 is a wasteful number, since it uses less digits than its factorization.

70642485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1569844 (or 1569841 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The square root of 70642485 is about 8404.9083873651. The cubic root of 70642485 is about 413.3855795184.

The spelling of 70642485 in words is "seventy million, six hundred forty-two thousand, four hundred eighty-five".