7972450 has 24 divisors (see below), whose sum is σ = 15194340. Its totient is φ = 3110400.

The previous prime is 7972429. The next prime is 7972451. The reversal of 7972450 is 542797.

It can be written as a sum of positive squares in 6 ways, for example, as 1687401 + 6285049 = 1299^2 + 2507^2 .

It is not an unprimeable number, because it can be changed into a prime (7972451) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 106 + ... + 3994.

Almost surely, 2^7972450 is an apocalyptic number.

7972450 is a deficient number, since it is larger than the sum of its proper divisors (7221890).

7972450 is a wasteful number, since it uses less digits than its factorization.

7972450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3942 (or 3937 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 34.

The square root of 7972450 is about 2823.5527266194. The cubic root of 7972450 is about 199.7701526188.

The spelling of 7972450 in words is "seven million, nine hundred seventy-two thousand, four hundred fifty".