4721450 has 24 divisors (see below), whose sum is σ = 8888940. Its totient is φ = 1865600.

The previous prime is 4721449. The next prime is 4721467. The reversal of 4721450 is 541274.

It can be written as a sum of positive squares in 6 ways, for example, as 1324801 + 3396649 = 1151^2 + 1843^2 .

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3920 + ... + 4980.

Almost surely, 2^4721450 is an apocalyptic number.

4721450 is a deficient number, since it is larger than the sum of its proper divisors (4167490).

4721450 is a wasteful number, since it uses less digits than its factorization.

4721450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1162 (or 1157 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 4721450 is about 2172.8897809139. The cubic root of 4721450 is about 167.7613059604.

The spelling of 4721450 in words is "four million, seven hundred twenty-one thousand, four hundred fifty".