7740061067 has 4 divisors (see below), whose sum is σ = 7866947376. Its totient is φ = 7613174760.

The previous prime is 7740060983. The next prime is 7740061073. The reversal of 7740061067 is 7601600477.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7601600477 = 277 ⋅27442601.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7740061067 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7740061067.

It is not an unprimeable number, because it can be changed into a prime (7740661067) 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, 63443063 + ... + 63443184.

It is an arithmetic number, because the mean of its divisors is an integer number (1966736844).

Almost surely, 2^7740061067 is an apocalyptic number.

7740061067 is a deficient number, since it is larger than the sum of its proper divisors (126886309).

7740061067 is a wasteful number, since it uses less digits than its factorization.

7740061067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126886308.

The product of its (nonzero) digits is 49392, while the sum is 38.

The square root of 7740061067 is about 87977.6168522426. The cubic root of 7740061067 is about 1978.0994812395.

The spelling of 7740061067 in words is "seven billion, seven hundred forty million, sixty-one thousand, sixty-seven".