69740761 has 4 divisors (see below), whose sum is σ = 72772992. Its totient is φ = 66708532.

The previous prime is 69740753. The next prime is 69740771. The reversal of 69740761 is 16704796.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 69740761 - 2³ = 69740753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (69740701) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1516081 + ... + 1516126.

It is an arithmetic number, because the mean of its divisors is an integer number (18193248).

Almost surely, 2^69740761 is an apocalyptic number.

It is an amenable number.

69740761 is a deficient number, since it is larger than the sum of its proper divisors (3032231).

69740761 is a wasteful number, since it uses less digits than its factorization.

69740761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3032230.

The product of its (nonzero) digits is 63504, while the sum is 40.

The square root of 69740761 is about 8351.0934014655. The cubic root of 69740761 is about 411.6191397395.

The spelling of 69740761 in words is "sixty-nine million, seven hundred forty thousand, seven hundred sixty-one".