7641254753 has 4 divisors (see below), whose sum is σ = 8335914288. Its totient is φ = 6946595220.

The previous prime is 7641254743. The next prime is 7641254771. The reversal of 7641254753 is 3574521467.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 3574521467 = 11 ⋅324956497.

It is a cyclic number.

It is not a de Polignac number, because 7641254753 - 2¹⁸ = 7640992609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7641254743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 347329751 + ... + 347329772.

It is an arithmetic number, because the mean of its divisors is an integer number (2083978572).

Almost surely, 2^7641254753 is an apocalyptic number.

It is an amenable number.

7641254753 is a deficient number, since it is larger than the sum of its proper divisors (694659535).

7641254753 is a wasteful number, since it uses less digits than its factorization.

7641254753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 694659534.

The product of its digits is 705600, while the sum is 44.

The square root of 7641254753 is about 87414.2708772429. The cubic root of 7641254753 is about 1969.6462172293.

The spelling of 7641254753 in words is "seven billion, six hundred forty-one million, two hundred fifty-four thousand, seven hundred fifty-three".