7938970 has 32 divisors (see below), whose sum is σ = 15522192. Its totient is φ = 2906112.

The previous prime is 7938929. The next prime is 7938977. The reversal of 7938970 is 798397.

It can be written as a sum of positive squares in 8 ways, for example, as 3389281 + 4549689 = 1841^2 + 2133^2 .

It is not an unprimeable number, because it can be changed into a prime (7938977) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22314 + ... + 22666.

Almost surely, 2^7938970 is an apocalyptic number.

7938970 is a deficient number, since it is larger than the sum of its proper divisors (7583222).

7938970 is a wasteful number, since it uses less digits than its factorization.

7938970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546.

The product of its (nonzero) digits is 95256, while the sum is 43.

The square root of 7938970 is about 2817.6177881324. The cubic root of 7938970 is about 199.4901178724.

The spelling of 7938970 in words is "seven million, nine hundred thirty-eight thousand, nine hundred seventy".