7493770664 has 8 divisors (see below), whose sum is σ = 14050820010. Its totient is φ = 3746885328.

The previous prime is 7493770657. The next prime is 7493770679. The reversal of 7493770664 is 4660773947.

It can be written as a sum of positive squares in only one way, i.e., 4604708164 + 2889062500 = 67858^2 + 53750^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 468360659 + ... + 468360674.

Almost surely, 2^7493770664 is an apocalyptic number.

It is an amenable number.

7493770664 is a deficient number, since it is larger than the sum of its proper divisors (6557049346).

7493770664 is a wasteful number, since it uses less digits than its factorization.

7493770664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 936721339 (or 936721335 counting only the distinct ones).

The product of its (nonzero) digits is 5334336, while the sum is 53.

The square root of 7493770664 is about 86566.5678192222. The cubic root of 7493770664 is about 1956.8917365661.

The spelling of 7493770664 in words is "seven billion, four hundred ninety-three million, seven hundred seventy thousand, six hundred sixty-four".