7648534 has 4 divisors (see below), whose sum is σ = 11472804. Its totient is φ = 3824266.

The previous prime is 7648523. The next prime is 7648549. The reversal of 7648534 is 4358467.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4358467 = 19 ⋅229393.

It is a junction number, because it is equal to n+sod(n) for n = 7648493 and 7648502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1912132 + ... + 1912135.

It is an arithmetic number, because the mean of its divisors is an integer number (2868201).

Almost surely, 2^7648534 is an apocalyptic number.

7648534 is a deficient number, since it is larger than the sum of its proper divisors (3824270).

7648534 is a wasteful number, since it uses less digits than its factorization.

7648534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3824269.

The product of its digits is 80640, while the sum is 37.

The square root of 7648534 is about 2765.5983077808. The cubic root of 7648534 is about 197.0271463188.

The spelling of 7648534 in words is "seven million, six hundred forty-eight thousand, five hundred thirty-four".