7274638 has 12 divisors (see below), whose sum is σ = 12693672. Its totient is φ = 3117660.

The previous prime is 7274629. The next prime is 7274639. The reversal of 7274638 is 8364727.

It is a junction number, because it is equal to n+sod(n) for n = 7274597 and 7274606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7274639) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 37018 + ... + 37213.

It is an arithmetic number, because the mean of its divisors is an integer number (1057806).

Almost surely, 2^7274638 is an apocalyptic number.

7274638 is a deficient number, since it is larger than the sum of its proper divisors (5419034).

7274638 is a wasteful number, since it uses less digits than its factorization.

7274638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74247 (or 74240 counting only the distinct ones).

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

The square root of 7274638 is about 2697.1536849056. The cubic root of 7274638 is about 193.7628270384.

The spelling of 7274638 in words is "seven million, two hundred seventy-four thousand, six hundred thirty-eight".