7474664747 has 8 divisors (see below), whose sum is σ = 8292386880. Its totient is φ = 6679977160.

The previous prime is 7474664731. The next prime is 7474664749.

7474664747 is nontrivially palindromic in base 10.

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 7474664747 - 2⁴ = 7474664731 is a prime.

It is a super-2 number, since 2×7474664747² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7474664692 and 7474664701.

It is not an unprimeable number, because it can be changed into a prime (7474664749) 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, 5757953 + ... + 5759250.

It is an arithmetic number, because the mean of its divisors is an integer number (1036548360).

Almost surely, 2^7474664747 is an apocalyptic number.

7474664747 is a deficient number, since it is larger than the sum of its proper divisors (817722133).

7474664747 is a wasteful number, since it uses less digits than its factorization.

7474664747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11517273.

The product of its digits is 22127616, while the sum is 56.

The square root of 7474664747 is about 86456.1434890546. The cubic root of 7474664747 is about 1955.2272415911.

The spelling of 7474664747 in words is "seven billion, four hundred seventy-four million, six hundred sixty-four thousand, seven hundred forty-seven".