7640540601 has 8 divisors (see below), whose sum is σ = 10192822464. Its totient is φ = 5090976240.

The previous prime is 7640540569. The next prime is 7640540669. The reversal of 7640540601 is 1060450467.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7640540601 - 2⁵ = 7640540569 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7640540671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 672805 + ... + 684066.

It is an arithmetic number, because the mean of its divisors is an integer number (1274102808).

Almost surely, 2^7640540601 is an apocalyptic number.

It is an amenable number.

7640540601 is a deficient number, since it is larger than the sum of its proper divisors (2552281863).

7640540601 is a wasteful number, since it uses less digits than its factorization.

7640540601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1358751.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 7640540601 is about 87410.1859110253. The cubic root of 7640540601 is about 1969.5848542440.

The spelling of 7640540601 in words is "seven billion, six hundred forty million, five hundred forty thousand, six hundred one".