7402897 has 4 divisors (see below), whose sum is σ = 7513456. Its totient is φ = 7292340.

The previous prime is 7402891. The next prime is 7402921. The reversal of 7402897 is 7982047.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7402897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7402891) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55179 + ... + 55312.

It is an arithmetic number, because the mean of its divisors is an integer number (1878364).

Almost surely, 2^7402897 is an apocalyptic number.

It is an amenable number.

7402897 is a deficient number, since it is larger than the sum of its proper divisors (110559).

7402897 is a wasteful number, since it uses less digits than its factorization.

7402897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110558.

The product of its (nonzero) digits is 28224, while the sum is 37.

The square root of 7402897 is about 2720.8265288327. The cubic root of 7402897 is about 194.8949423138.

The spelling of 7402897 in words is "seven million, four hundred two thousand, eight hundred ninety-seven".