7402089 has 8 divisors (see below), whose sum is σ = 10450080. Its totient is φ = 4644416.

The previous prime is 7402061. The next prime is 7402097. The reversal of 7402089 is 9802047.

7402089 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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 7402089 - 2⁹ = 7401577 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7402009) 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, 72519 + ... + 72620.

It is an arithmetic number, because the mean of its divisors is an integer number (1306260).

Almost surely, 2^7402089 is an apocalyptic number.

It is an amenable number.

7402089 is a deficient number, since it is larger than the sum of its proper divisors (3047991).

7402089 is a wasteful number, since it uses less digits than its factorization.

7402089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145159.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 7402089 is about 2720.6780404892. The cubic root of 7402089 is about 194.8878513581.

The spelling of 7402089 in words is "seven million, four hundred two thousand, eighty-nine".