7400745 has 24 divisors (see below), whose sum is σ = 13995072. Its totient is φ = 3588000.

The previous prime is 7400741. The next prime is 7400803. The reversal of 7400745 is 5470047.

7400745 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 7400745 - 2² = 7400741 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7400741) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6981 + ... + 7970.

It is an arithmetic number, because the mean of its divisors is an integer number (583128).

Almost surely, 2^7400745 is an apocalyptic number.

It is an amenable number.

7400745 is a deficient number, since it is larger than the sum of its proper divisors (6594327).

7400745 is a wasteful number, since it uses less digits than its factorization.

7400745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14973 (or 14970 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 27.

The square root of 7400745 is about 2720.4310320242. The cubic root of 7400745 is about 194.8760553581.

The spelling of 7400745 in words is "seven million, four hundred thousand, seven hundred forty-five".