70620785 has 8 divisors (see below), whose sum is σ = 85314600. Its totient is φ = 56116864.

The previous prime is 70620779. The next prime is 70620791. The reversal of 70620785 is 58702607.

It is an interprime number because it is at equal distance from previous prime (70620779) and next prime (70620791).

It can be written as a sum of positive squares in 4 ways, for example, as 4165681 + 66455104 = 2041^2 + 8152^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 70620785 - 2⁴ = 70620769 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46652 + ... + 48141.

It is an arithmetic number, because the mean of its divisors is an integer number (10664325).

Almost surely, 2^70620785 is an apocalyptic number.

It is an amenable number.

70620785 is a deficient number, since it is larger than the sum of its proper divisors (14693815).

70620785 is a wasteful number, since it uses less digits than its factorization.

70620785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94947.

The product of its (nonzero) digits is 23520, while the sum is 35.

The square root of 70620785 is about 8403.6173758686. The cubic root of 70620785 is about 413.3432471752.

The spelling of 70620785 in words is "seventy million, six hundred twenty thousand, seven hundred eighty-five".