4751649 has 32 divisors (see below), whose sum is σ = 8314880. Its totient is φ = 2624400.

The previous prime is 4751641. The next prime is 4751657. The reversal of 4751649 is 9461574.

4751649 is a `hidden beast` number, since 4 + 7 + 5 + 1 + 649 = 666.

It is an interprime number because it is at equal distance from previous prime (4751641) and next prime (4751657).

It is not a de Polignac number, because 4751649 - 2³ = 4751641 is a prime.

4751649 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4751641) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5454 + ... + 6264.

It is an arithmetic number, because the mean of its divisors is an integer number (259840).

Almost surely, 2^4751649 is an apocalyptic number.

It is an amenable number.

4751649 is a deficient number, since it is larger than the sum of its proper divisors (3563231).

4751649 is a wasteful number, since it uses less digits than its factorization.

4751649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 858 (or 852 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 4751649 is about 2179.8277454882. The cubic root of 4751649 is about 168.1182203611.

The spelling of 4751649 in words is "four million, seven hundred fifty-one thousand, six hundred forty-nine".