7400097 has 6 divisors (see below), whose sum is σ = 10689042. Its totient is φ = 4933392.

The previous prime is 7400077. The next prime is 7400123. The reversal of 7400097 is 7900047.

It can be written as a sum of positive squares in only one way, i.e., 7160976 + 239121 = 2676^2 + 489^2 .

It is not a de Polignac number, because 7400097 - 2⁸ = 7399841 is a prime.

It is a super-2 number, since 2×7400097² = 109522871218818, which contains 22 as substring.

7400097 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 7400097.

It is not an unprimeable number, because it can be changed into a prime (7400077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 411108 + ... + 411125.

It is an arithmetic number, because the mean of its divisors is an integer number (1781507).

Almost surely, 2^7400097 is an apocalyptic number.

It is an amenable number.

7400097 is a deficient number, since it is larger than the sum of its proper divisors (3288945).

7400097 is a wasteful number, since it uses less digits than its factorization.

7400097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 822239 (or 822236 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 27.

The square root of 7400097 is about 2720.3119306432. The cubic root of 7400097 is about 194.8703674906.

The spelling of 7400097 in words is "seven million, four hundred thousand, ninety-seven".