70761565 has 16 divisors (see below), whose sum is σ = 102753792. Its totient is φ = 45667584.

The previous prime is 70761563. The next prime is 70761569. The reversal of 70761565 is 56516707.

It is a cyclic number.

It is not a de Polignac number, because 70761565 - 2¹ = 70761563 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70761563) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58869 + ... + 60058.

It is an arithmetic number, because the mean of its divisors is an integer number (6422112).

Almost surely, 2^70761565 is an apocalyptic number.

It is an amenable number.

70761565 is a deficient number, since it is larger than the sum of its proper divisors (31992227).

70761565 is a wasteful number, since it uses less digits than its factorization.

70761565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118956.

The product of its (nonzero) digits is 44100, while the sum is 37.

The square root of 70761565 is about 8411.9893604307. The cubic root of 70761565 is about 413.6177265099.

The spelling of 70761565 in words is "seventy million, seven hundred sixty-one thousand, five hundred sixty-five".