7661000733 has 8 divisors (see below), whose sum is σ = 10319973888. Its totient is φ = 5054680704.

The previous prime is 7661000729. The next prime is 7661000761. The reversal of 7661000733 is 3370001667.

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

It is not a de Polignac number, because 7661000733 - 2² = 7661000729 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7661000694 and 7661000703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7661000723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13162941 + ... + 13163522.

It is an arithmetic number, because the mean of its divisors is an integer number (1289996736).

Almost surely, 2^7661000733 is an apocalyptic number.

It is an amenable number.

7661000733 is a deficient number, since it is larger than the sum of its proper divisors (2658973155).

7661000733 is a wasteful number, since it uses less digits than its factorization.

7661000733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26326563.

The product of its (nonzero) digits is 15876, while the sum is 33.

The square root of 7661000733 is about 87527.1428358084. The cubic root of 7661000733 is about 1971.3413638570.

The spelling of 7661000733 in words is "seven billion, six hundred sixty-one million, seven hundred thirty-three", and thus it is an aban number.