70601765 has 32 divisors (see below), whose sum is σ = 97415136. Its totient is φ = 48660480.

The previous prime is 70601753. The next prime is 70601803. The reversal of 70601765 is 56710607.

It can be written as a sum of positive squares in 16 ways, for example, as 43217476 + 27384289 = 6574^2 + 5233^2 .

It is not a de Polignac number, because 70601765 - 2⁴ = 70601749 is a prime.

It is a super-2 number, since 2×70601765² = 9969218442230450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 199829 + ... + 200181.

It is an arithmetic number, because the mean of its divisors is an integer number (3044223).

Almost surely, 2^70601765 is an apocalyptic number.

It is an amenable number.

70601765 is a deficient number, since it is larger than the sum of its proper divisors (26813371).

70601765 is a wasteful number, since it uses less digits than its factorization.

70601765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569.

The product of its (nonzero) digits is 8820, while the sum is 32.

The square root of 70601765 is about 8402.4856441413. The cubic root of 70601765 is about 413.3061358420.

It can be divided in two parts, 7060 and 1765, that multiplied together give a square (12460900 = 3530²).

The spelling of 70601765 in words is "seventy million, six hundred one thousand, seven hundred sixty-five".