7730745 has 16 divisors (see below), whose sum is σ = 13493952. Its totient is φ = 3748160.

The previous prime is 7730731. The next prime is 7730753. The reversal of 7730745 is 5470377.

It is not a de Polignac number, because 7730745 - 2¹⁰ = 7729721 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23262 + ... + 23591.

It is an arithmetic number, because the mean of its divisors is an integer number (843372).

Almost surely, 2^7730745 is an apocalyptic number.

It is an amenable number.

7730745 is a deficient number, since it is larger than the sum of its proper divisors (5763207).

7730745 is a wasteful number, since it uses less digits than its factorization.

7730745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46872.

The product of its (nonzero) digits is 20580, while the sum is 33.

The square root of 7730745 is about 2780.4217306013. The cubic root of 7730745 is about 197.7305538076.

The spelling of 7730745 in words is "seven million, seven hundred thirty thousand, seven hundred forty-five".