7402745 has 8 divisors (see below), whose sum is σ = 10152384. Its totient is φ = 5076144.

The previous prime is 7402741. The next prime is 7402771. The reversal of 7402745 is 5472047.

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

It is a cyclic number.

It is not a de Polignac number, because 7402745 - 2² = 7402741 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7402741) 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, 105719 + ... + 105788.

It is an arithmetic number, because the mean of its divisors is an integer number (1269048).

Almost surely, 2^7402745 is an apocalyptic number.

It is an amenable number.

7402745 is a deficient number, since it is larger than the sum of its proper divisors (2749639).

7402745 is a wasteful number, since it uses less digits than its factorization.

7402745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211519.

The product of its (nonzero) digits is 7840, while the sum is 29.

The square root of 7402745 is about 2720.7985960008. The cubic root of 7402745 is about 194.8936084110.

The spelling of 7402745 in words is "seven million, four hundred two thousand, seven hundred forty-five".