7493402401 has 4 divisors (see below), whose sum is σ = 7493844400. Its totient is φ = 7492960404.

The previous prime is 7493402363. The next prime is 7493402407. The reversal of 7493402401 is 1042043947.

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 not a de Polignac number, because 7493402401 - 2²¹ = 7491305249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7493402407) 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, 194511 + ... + 229828.

It is an arithmetic number, because the mean of its divisors is an integer number (1873461100).

Almost surely, 2^7493402401 is an apocalyptic number.

It is an amenable number.

7493402401 is a deficient number, since it is larger than the sum of its proper divisors (441999).

7493402401 is a wasteful number, since it uses less digits than its factorization.

7493402401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441998.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 7493402401 is about 86564.4407421431. The cubic root of 7493402401 is about 1956.8596804909.

The spelling of 7493402401 in words is "seven billion, four hundred ninety-three million, four hundred two thousand, four hundred one".