7638274 has 16 divisors (see below), whose sum is σ = 13223808. Its totient is φ = 3241152.

The previous prime is 7638271. The next prime is 7638283. The reversal of 7638274 is 4728367.

It is not an unprimeable number, because it can be changed into a prime (7638271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1207 + ... + 4090.

It is an arithmetic number, because the mean of its divisors is an integer number (826488).

Almost surely, 2^7638274 is an apocalyptic number.

7638274 is a deficient number, since it is larger than the sum of its proper divisors (5585534).

7638274 is a wasteful number, since it uses less digits than its factorization.

7638274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5409.

The product of its digits is 56448, while the sum is 37.

The square root of 7638274 is about 2763.7427521388. The cubic root of 7638274 is about 196.9390072890.

The spelling of 7638274 in words is "seven million, six hundred thirty-eight thousand, two hundred seventy-four".