7640126 has 16 divisors (see below), whose sum is σ = 12387984. Its totient is φ = 3513024.

The previous prime is 7640069. The next prime is 7640131. The reversal of 7640126 is 6210467.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 7640095 and 7640104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11561 + ... + 12203.

It is an arithmetic number, because the mean of its divisors is an integer number (774249).

Almost surely, 2^7640126 is an apocalyptic number.

7640126 is a deficient number, since it is larger than the sum of its proper divisors (4747858).

7640126 is a wasteful number, since it uses less digits than its factorization.

7640126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1115.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 7640126 is about 2764.0777847231. The cubic root of 7640126 is about 196.9549228204.

The spelling of 7640126 in words is "seven million, six hundred forty thousand, one hundred twenty-six".