7440747707 has 8 divisors (see below), whose sum is σ = 7672843776. Its totient is φ = 7211725992.

The previous prime is 7440747679. The next prime is 7440747709. The reversal of 7440747707 is 7077470447.

It is a happy number.

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 7440747707 - 2³² = 3145780411 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7440747709) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 763673 + ... + 773354.

It is an arithmetic number, because the mean of its divisors is an integer number (959105472).

Almost surely, 2^7440747707 is an apocalyptic number.

7440747707 is a deficient number, since it is larger than the sum of its proper divisors (232096069).

7440747707 is a wasteful number, since it uses less digits than its factorization.

7440747707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1537177.

The product of its (nonzero) digits is 1075648, while the sum is 47.

The square root of 7440747707 is about 86259.7687627320. The cubic root of 7440747707 is about 1952.2654107098.

The spelling of 7440747707 in words is "seven billion, four hundred forty million, seven hundred forty-seven thousand, seven hundred seven".