7640501 has 4 divisors (see below), whose sum is σ = 8335104. Its totient is φ = 6945900.

The previous prime is 7640483. The next prime is 7640519. The reversal of 7640501 is 1050467.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (7640483) and next prime (7640519).

It is a cyclic number.

It is not a de Polignac number, because 7640501 - 2¹⁴ = 7624117 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7642501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 347285 + ... + 347306.

It is an arithmetic number, because the mean of its divisors is an integer number (2083776).

Almost surely, 2^7640501 is an apocalyptic number.

It is an amenable number.

7640501 is a deficient number, since it is larger than the sum of its proper divisors (694603).

7640501 is a wasteful number, since it uses less digits than its factorization.

7640501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 694602.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 7640501 is about 2764.1456184507. The cubic root of 7640501 is about 196.9581451445.

Adding to 7640501 its reverse (1050467), we get a palindrome (8690968).

The spelling of 7640501 in words is "seven million, six hundred forty thousand, five hundred one".