4742644 has 6 divisors (see below), whose sum is σ = 8299634. Its totient is φ = 2371320.

The previous prime is 4742641. The next prime is 4742651. The reversal of 4742644 is 4462474.

It can be written as a sum of positive squares in only one way, i.e., 4368100 + 374544 = 2090^2 + 612^2 .

It is a super-2 number, since 2×4742644² = 44985344221472, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4742641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 592827 + ... + 592834.

Almost surely, 2^4742644 is an apocalyptic number.

It is an amenable number.

4742644 is a deficient number, since it is larger than the sum of its proper divisors (3556990).

4742644 is a wasteful number, since it uses less digits than its factorization.

4742644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1185665 (or 1185663 counting only the distinct ones).

The product of its digits is 21504, while the sum is 31.

The square root of 4742644 is about 2177.7612357648. The cubic root of 4742644 is about 168.0119511528.

The spelling of 4742644 in words is "four million, seven hundred forty-two thousand, six hundred forty-four".